Graph
Year | Totals | Observation hours |
---|---|---|
1997 | 11 | 63:45 |
1998 | 67 | 48:00 |
1999 | 27 | 79:45 |
2000 | 35 | 114:15 |
2001 | 16 | 130:55 |
2002 | 352 | 311:10 |
2003 | 250 | 434:00 |
2004 | 393 | 539:15 |
2005 | 380 | 741:30 |
2006 | 218 | 671:30 |
2007 | 173 | 742:30 |
2008 | 210 | 700:00 |
2009 | 323 | 629:45 |
2010 | 515 | 570:15 |
2011 | 264 | 520:15 |
2012 | 544 | 543:15 |
2013 | 459 | 410:30 |
2014 | 260 | 500:15 |
2015 | 586 | 683:45 |
2016 | 644 | 688:45 |
2017 | 1131 | 671:00 |
2018 | 549 | 739:00 |
2019 | 234 | 737:00 |
2020 | 323 | 795:00 |
2021 | 355 | 787:15 |
2022 | 110 | 309:05 |