Totals De Blauwe Kamer 2011 - 2020

	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
1.	Canada Goose	0	0	0	0	0	0	0	5	2	0	7	0.8	0	5 (2018)
2.	Barnacle Goose	531	0	0	20	1	12	629	1033	101	163	2490	277	0	1033 (2018)
3.	Lesser Canada Goose	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2018)
4.	Bar-headed Goose	1	0	0	0	0	0	0	1	1	0	3	0.3	0	1 (2011)
5.	Greylag Goose	702	0	0	37	0	82	1449	1884	342	129	4625	514	0	1884 (2018)
6.	Anser sp.	0	0	0	0	0	1300	0	0	0	0	1300	144	0	1300 (2016)
7.	goose sp.	0	0	0	0	0	0	146	0	21	0	167	19	0	146 (2017)
8.	Pink-footed Goose	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
9.	Tundra Bean Goose	32	0	0	0	0	0	3	14	3	3	55	6.1	0	32 (2011)
10.	Bean Goose sp.	0	0	0	0	0	38	0	0	0	2	40	4.4	0	38 (2016)
11.	Eurasian White-fronted Goose	9121	290	0	194	0	462	3631	3199	1885	1199	19981	2220	5	9121 (2011)
12.	Black Swan	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
13.	Mute Swan	6	0	0	7	0	11	6	11	11	20	72	8	0	20 (2020)
14.	Whooper Swan	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
15.	Egyptian Goose	15	0	0	7	0	0	43	18	62	110	255	28	0	110 (2020)
16.	Shelduck	5	0	0	1	0	0	3	2	9	2	22	2.4	0	9 (2019)
17.	Ruddy Shelduck	11	0	0	0	2	0	0	0	1	6	20	2.2	0	11 (2011)
18.	Garganey	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2019)
19.	Shoveler	19	1	0	3	0	0	323	0	25	14	385	43	0	323 (2017)
20.	Gadwall	9	0	0	0	0	5	12	21	16	46	109	12	0	46 (2020)
21.	Wigeon	76	0	0	18	3	3	12	54	9	169	344	38	50	169 (2020)
22.	Mallard	2	3	0	2	0	2	15	10	0	2	36	4	0	15 (2017)
23.	Pintail	0	11	0	0	0	1	0	4	15	4	35	3.9	0	15 (2019)
24.	Teal	0	14	0	0	0	0	0	0	0	4	18	2	0	14 (2012)
25.	Pochard	1	0	0	0	0	0	1	0	0	0	2	0.2	0	1 (2011)
26.	Tufted Duck	12	2	0	0	0	0	5	16	19	24	78	8.7	0	24 (2020)
27.	Goldeneye	0	0	0	0	0	0	1	10	0	2	13	1.4	0	10 (2018)
28.	Smew	0	0	0	0	0	0	0	4	0	0	4	0.4	8	4 (2018)
29.	Goosander	34	0	0	0	0	3	11	20	8	6	82	9.1	0	34 (2011)
30.	Red-breasted Merganser	0	1	0	0	0	0	1	0	2	0	4	0.4	0	2 (2019)
31.	Swift	995	3	0	7	42	98	225	177	48	216	1811	201	0	995 (2011)
32.	Cuckoo	4	0	0	1	1	0	0	1	2	0	9	1	0	4 (2011)
33.	Stock Dove	185	33	0	1	0	1	86	85	42	50	483	54	0	185 (2011)
34.	Woodpigeon	6460	438	0	0	0	221	2405	2506	770	480	13280	1476	0	6460 (2011)
35.	Turtle Dove	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
36.	Collared Dove	8	3	0	0	0	0	5	4	2	5	27	3	0	8 (2011)
37.	Crane	4	0	0	0	0	0	17	118	0	1	140	16	0	118 (2018)
38.	Great Crested Grebe	0	0	0	0	0	0	1	4	0	2	7	0.8	0	4 (2018)
39.	Oystercatcher	19	3	0	0	0	1	13	5	11	18	70	7.8	0	19 (2011)
40.	Lapwing	1826	100	0	13	0	64	1557	2675	496	704	7435	826	100	2675 (2018)
41.	Golden Plover	359	24	0	0	0	0	53	6	0	1	443	49	0	359 (2011)
42.	Grey Plover	3	0	0	0	0	3	1	2	0	0	9	1	0	3 (2011)
43.	Ringed Plover	7	0	0	1	1	0	2	2	6	0	19	2.1	0	7 (2011)
44.	Little Ringed Plover	5	0	0	1	0	0	2	1	11	14	34	3.8	0	14 (2020)
45.	Dotterel	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
46.	Whimbrel	13	0	0	0	0	0	9	1	1	1	25	2.8	0	13 (2011)
47.	Curlew	34	17	0	2	0	6	18	23	27	3	130	14	0	34 (2011)
48.	Black-tailed Godwit	29	0	0	0	0	0	32	0	36	27	124	14	0	36 (2019)
49.	Icelandic Black-tailed Godwit	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
50.	Turnstone	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2011)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
51.	Knot	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
52.	Ruff	7	1	0	0	0	0	8	0	0	6	22	2.4	0	8 (2017)
53.	wader sp.	2	0	0	0	0	0	0	7	6	2	17	1.9	0	7 (2018)
54.	Dunlin	4	0	0	0	1	3	2	3	10	0	23	2.6	0	10 (2019)
55.	Little Stint	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2011)
56.	Woodcock	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2018)
57.	Jack Snipe	2	0	0	0	0	0	0	2	0	0	4	0.4	0	2 (2011)
58.	Snipe	103	34	0	23	14	39	37	74	1	15	340	38	0	103 (2011)
59.	Common Sandpiper	5	0	0	0	0	0	1	1	1	0	8	0.9	0	5 (2011)
60.	Green Sandpiper	40	11	0	0	2	6	17	12	16	52	156	17	0	52 (2020)
61.	Redshank	3	6	0	0	0	1	10	1	16	13	50	5.6	0	16 (2019)
62.	Wood Sandpiper	9	2	0	1	2	1	1	1	0	0	17	1.9	0	9 (2011)
63.	Spotted Redshank	13	1	0	0	4	0	0	1	2	2	23	2.6	0	13 (2011)
64.	Greenshank	60	12	0	2	0	4	20	7	4	17	126	14	0	60 (2011)
65.	Black-headed Gull	12178	59	0	2	0	52	5360	4700	6902	1020	30273	3364	0	12178 (2011)
66.	Little Gull	6	0	0	0	0	0	0	0	0	6	12	1.3	2	6 (2011)
67.	Mediterranean Gull	2	0	0	0	0	0	0	1	11	14	28	3.1	0	14 (2020)
68.	Common Gull	498	6	0	0	0	1	50	34	432	28	1049	117	0	498 (2011)
69.	Great Black-backed Gull	7	0	0	0	0	4	7	5	8	1	32	3.6	0	8 (2019)
70.	Herring Gull	23	0	0	1	0	0	48	37	40	8	157	17	0	48 (2017)
71.	Caspian Gull	0	0	0	0	0	0	8	1	3	0	12	1.3	0	8 (2017)
72.	Yellow-legged Gull	1	0	0	0	0	0	0	2	0	1	4	0.4	0	2 (2018)
73.	Lesser Black-backed Gull	241	2	0	2	0	18	154	109	140	53	719	80	0	241 (2011)
74.	large gull sp.	0	0	0	0	0	0	0	1	7	2	10	1.1	0	7 (2019)
75.	Caspian Tern	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2014)
76.	Little Tern	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
77.	Common Tern	58	0	0	0	0	0	34	2	5	20	119	13	0	58 (2011)
78.	Arctic Tern	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
79.	Common/Arctic Tern	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
80.	Black Tern	4	1	0	0	0	1	2	0	0	0	8	0.9	0	4 (2011)
81.	Long-tailed Skua	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
82.	Black Stork	5	0	0	0	0	1	1	0	0	0	7	0.8	0	5 (2011)
83.	White Stork	79	13	0	0	0	13	33	78	3	136	355	39	0	136 (2020)
84.	Cormorant	1024	362	0	0	11	260	643	1369	389	333	4391	488	0	1369 (2018)
85.	Phalacrocorax sp.	0	0	0	0	0	0	0	0	4	0	4	0.4	0	4 (2019)
86.	Spoonbill	9	0	0	1	0	8	2	34	5	0	59	6.6	50	34 (2018)
87.	Cattle Egret	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2016)
88.	Grey Heron	74	14	0	1	0	10	35	20	34	56	244	27	0	74 (2011)
89.	Purple Heron	0	0	0	0	0	0	0	0	0	4	4	0.4	0	4 (2020)
90.	Great White Egret	80	24	0	2	0	33	116	152	52	33	492	55	78	152 (2018)
91.	Little Egret	0	1	0	2	0	0	10	0	0	4	17	1.9	0	10 (2017)
92.	Osprey	18	2	0	0	2	6	9	3	4	6	50	5.6	3	18 (2011)
93.	Honey Buzzard	28	14	0	0	3	5	2	3	0	3	58	6.4	0	28 (2011)
94.	Sparrowhawk	115	32	0	6	5	12	50	20	43	23	306	34	2	115 (2011)
95.	Goshawk	2	0	0	0	0	1	3	0	0	1	7	0.8	1	3 (2017)
96.	Marsh Harrier	55	10	0	1	4	12	26	8	18	17	151	17	0	55 (2011)
97.	Hen Harrier	13	4	0	0	0	4	2	1	4	0	28	3.1	0	13 (2011)
98.	Pallid Harrier	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2016)
99.	Montagu's Harrier	5	0	0	0	0	0	0	0	1	0	6	0.7	0	5 (2011)
100.	harrier sp.	0	1	0	0	1	0	0	0	0	0	2	0.2	0	1 (2012)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
101.	Montagu's/Pallid Harrier	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
102.	Hen/Montagu's/Pallid Harrier	0	0	0	0	0	1	1	0	0	0	2	0.2	0	1 (2016)
103.	Red Kite	14	0	0	0	0	0	4	6	0	4	28	3.1	0	14 (2011)
104.	Black Kite	19	2	0	0	0	0	5	3	4	2	35	3.9	0	19 (2011)
105.	White-tailed Eagle	0	0	0	0	0	0	2	0	0	3	5	0.6	0	3 (2020)
106.	Common Buzzard	210	13	0	0	4	33	157	71	27	8	523	58	12	210 (2011)
107.	Short-eared Owl	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
108.	Kingfisher	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
109.	Lesser Spotted Woodpecker	2	1	0	0	0	0	1	1	0	1	6	0.7	0	2 (2011)
110.	Great Spotted Woodpecker	26	6	0	0	0	0	17	15	10	6	80	8.9	0	26 (2011)
111.	Black Woodpecker	0	0	0	0	1	0	1	0	0	0	2	0.2	0	1 (2015)
112.	Green Woodpecker	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
113.	Kestrel	40	3	0	1	1	8	15	4	20	12	104	12	5	40 (2011)
114.	Red-footed Falcon	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2011)
115.	Merlin	15	1	0	0	2	1	9	5	2	6	41	4.6	0	15 (2011)
116.	Hobby	34	1	0	1	0	11	10	4	3	3	67	7.4	3	34 (2011)
117.	Peregrine	7	0	0	0	0	0	4	1	2	4	18	2	0	7 (2011)
118.	falcon sp.	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
119.	Red-backed Shrike	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
120.	Great Grey Shrike	1	0	0	0	0	0	1	2	0	0	4	0.4	1	2 (2018)
121.	Golden Oriole	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
122.	Jay	45	87	0	1	0	0	4	20	2147	34	2338	260	0	2147 (2019)
123.	Magpie	2	0	0	0	0	0	22	15	0	0	39	4.3	0	22 (2017)
124.	Jackdaw	820	121	0	2	0	17	454	1034	106	130	2684	298	0	1034 (2018)
125.	Rook	6	6	0	0	0	0	15	17	8	19	71	7.9	0	19 (2020)
126.	Carrion Crow	140	0	0	0	0	8	114	133	44	75	514	57	0	140 (2011)
127.	Raven	0	0	0	0	0	0	4	0	1	0	5	0.6	0	4 (2017)
128.	Corvus sp.	0	0	0	0	0	0	0	0	40	0	40	4.4	0	40 (2019)
129.	Coal Tit	0	180	0	5	93	0	236	0	100	0	614	68	0	236 (2017)
130.	Marsh Tit	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
131.	Willow Tit	0	0	0	0	0	0	0	0	3	0	3	0.3	0	3 (2019)
132.	Blue Tit	143	485	0	2	7	0	194	190	175	96	1292	144	0	485 (2012)
133.	Great Tit	48	115	0	0	0	0	157	109	123	10	562	62	0	157 (2017)
134.	Penduline Tit	1	3	0	0	0	2	0	0	0	0	6	0.7	0	3 (2012)
135.	Bearded Tit	1	0	0	0	0	0	1	1	0	0	3	0.3	0	1 (2011)
136.	Wood Lark	27	2	0	4	1	0	38	112	75	20	279	31	0	112 (2018)
137.	Skylark	1237	75	0	59	0	118	678	2503	888	228	5786	643	0	2503 (2018)
138.	Sand Martin	273	6	0	0	9	7	57	23	40	65	480	53	0	273 (2011)
139.	Swallow	11669	2032	0	31	1530	5514	7409	4444	1855	805	35289	3921	0	11669 (2011)
140.	House Martin	1425	146	0	0	110	208	44	750	52	48	2783	309	0	1425 (2011)
141.	swallow sp.	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
142.	Long-tailed Tit	0	12	0	0	0	0	14	9	0	0	35	3.9	0	14 (2017)
143.	Northern Long-tailed Tit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
144.	Yellow-browed Warbler	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
145.	Willow Warbler	5	0	0	0	0	0	3	0	2	2	12	1.3	0	5 (2011)
146.	Chiffchaff	15	2	0	1	0	2	26	33	11	1	91	10.1	0	33 (2018)
147.	Chiffchaff/Willow Warbler	3	0	0	0	0	0	1	1	4	13	22	2.4	0	13 (2020)
148.	Marsh Warbler	0	0	0	0	0	0	2	1	0	0	3	0.3	0	2 (2017)
149.	Blackcap	3	0	0	0	0	0	7	3	4	0	17	1.9	0	7 (2017)
150.	Lesser Whitethroat	1	0	0	0	0	0	1	0	0	1	3	0.3	0	1 (2011)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
151.	Whitethroat	0	0	0	0	0	0	0	1	2	0	3	0.3	0	2 (2019)
152.	Firecrest	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
153.	Goldcrest	5	0	0	0	0	0	6	0	1	3	15	1.7	0	6 (2017)
154.	Nuthatch	0	3	0	1	0	0	0	0	0	1	5	0.6	0	3 (2012)
155.	Short-toed Tree Creeper	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
156.	Starling	15098	828	0	368	6	72	5590	14014	1902	10889	48767	5419	400	15098 (2011)
157.	Song Thrush	228	32	0	211	0	29	470	528	69	140	1707	190	0	528 (2018)
158.	Mistle Thrush	46	14	0	4	0	2	12	17	14	16	125	14	0	46 (2011)
159.	Redwing	12554	766	0	4	0	21	4348	6991	392	23098	48174	5353	500	23098 (2020)
160.	Blackbird	18	2	0	2	0	0	17	20	2	6	67	7.4	0	20 (2018)
161.	Fieldfare	5762	0	0	0	0	21	2718	2449	430	2806	14186	1576	400	5762 (2011)
162.	Ring Ouzel	4	0	0	0	0	1	4	3	1	13	26	2.9	1	13 (2020)
163.	thrush sp.	0	10	0	0	0	0	0	0	14	0	24	2.7	0	14 (2019)
164.	Spotted Flycatcher	0	0	0	0	0	1	0	1	1	1	4	0.4	0	1 (2016)
165.	Robin	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
166.	Pied Flycatcher	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
167.	Black Redstart	0	0	0	0	0	0	0	0	1	1	2	0.2	0	1 (2019)
168.	Redstart	2	1	0	0	0	0	1	4	1	0	9	1	0	4 (2018)
169.	Whinchat	8	0	0	0	0	0	1	1	0	4	14	1.6	0	8 (2011)
170.	Stonechat	0	0	0	0	0	0	4	6	0	3	13	1.4	0	6 (2018)
171.	Wheatear	10	2	0	0	0	0	1	2	1	0	16	1.8	0	10 (2011)
172.	Tree Sparrow	86	0	0	0	0	3	79	120	6	9	303	34	0	120 (2018)
173.	House Sparrow	5	0	0	0	0	0	0	2	0	0	7	0.8	0	5 (2011)
174.	Dunnock	154	69	0	9	0	12	22	35	46	7	354	39	0	154 (2011)
175.	Blue-headed Wagtail	1071	7	0	3	0	3	53	133	13	13	1296	144	0	1071 (2011)
176.	Yellow Wagtail (flavissima)	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
177.	Grey-headed Wagtail	8	4	0	1	0	1	3	0	0	0	17	1.9	0	8 (2011)
178.	Yellow wagtail sp.	92	150	0	0	53	163	136	80	162	92	928	103	0	163 (2016)
179.	Grey Wagtail	19	4	0	10	4	15	30	28	18	8	136	15	0	30 (2017)
180.	White Wagtail	202	18	0	17	0	79	327	519	16	31	1209	134	0	519 (2018)
181.	alba wagtail sp.	35	118	0	0	0	0	57	10	154	157	531	59	0	157 (2020)
182.	Pied Wagtail	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2020)
183.	Tawny Pipit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
184.	Meadow Pipit	3342	892	0	206	20	599	4237	4156	5251	2221	20924	2325	0	5251 (2019)
185.	Tree Pipit	146	47	0	5	6	31	50	142	50	12	489	54	0	146 (2011)
186.	Olive-backed Pipit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
187.	Tree Pipit/Olive-backed Pipit	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
188.	Red-throated Pipit	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2011)
189.	Water Pipit	6	1	0	0	0	0	3	12	2	0	24	2.7	0	12 (2018)
190.	Rock Pipit/Water Pipit	0	3	0	0	1	0	0	0	0	0	4	0.4	0	3 (2012)
191.	Chaffinch	12219	6479	0	695	0	442	17284	13650	21134	7321	79224	8803	0	21134 (2019)
192.	Brambling	3626	40	0	2	0	78	279	2446	10	80	6561	729	0	3626 (2011)
193.	Chaffinch/Brambling	0	0	0	0	0	0	20	0	0	18	38	4.2	0	20 (2017)
194.	Hawfinch	10	9	0	0	0	2	76	48	11	34	190	21	0	76 (2017)
195.	Bullfinch	0	4	0	0	0	0	5	0	1	0	10	1.1	0	5 (2017)
196.	Greenfinch	32	0	0	1	0	12	101	90	54	75	365	41	0	101 (2017)
197.	Linnet	510	11	0	46	1	27	255	480	636	280	2246	250	15	636 (2019)
198.	Lesser Redpoll	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2020)
199.	redpoll sp.	32	1	0	1	1	1	14	4	0	0	54	6	0	32 (2011)
200.	Crossbill	2	0	0	5	3	10	54	5	51	0	130	14	0	54 (2017)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
201.	crossbill sp.	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
202.	Goldfinch	28	0	0	0	0	1	64	54	38	49	234	26	0	64 (2017)
203.	Serin	2	0	0	0	0	0	2	1	2	1	8	0.9	0	2 (2011)
204.	Siskin	410	8	0	16	30	17	115	635	314	78	1623	180	0	635 (2018)
205.	Lapland Bunting	3	0	0	0	0	0	4	0	0	0	7	0.8	0	4 (2017)
206.	Yellowhammer	3	0	0	0	0	0	2	5	1	2	13	1.4	0	5 (2018)
207.	Reed Bunting	190	10	0	19	0	14	163	179	103	36	714	79	2	190 (2011)
208.	passerine sp.	0	0	0	0	0	0	0	0	0	5	5	0.6	0	5 (2020)
	Other species
1.	Common Noctule	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2020)
	Other species
1.	Dark Clouded Yellow	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
2.	Brimstone	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2019)
3.	European Peacock	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
4.	Swallowtail	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
5.	Small White	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
6.	Red Admiral	3	0	0	0	0	1	7	1	1	0	13	1.4	0	7 (2017)
7.	Painted Lady	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
	Other species
1.	Darter unknown	0	0	0	0	0	0	0	24	0	0	24	2.7	0	24 (2018)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
	Totals	107521	14392	0	2093	1982	10398	63737	75025	48803	54420	378371	42041	1638
	Observation hours	371:13	86:45		11:45	28:00	59:25	194:23	155:20	113:38	111:07	1,131:36	125:44

Trektellen

Totals De Blauwe Kamer 2011 - 2020