Graph
Year | Totals | Observation hours |
---|---|---|
1997 | 883 | 63:45 |
1998 | 240 | 48:00 |
1999 | 798 | 79:45 |
2000 | 411 | 114:15 |
2001 | 282 | 130:55 |
2002 | 682 | 311:10 |
2003 | 2845 | 434:00 |
2004 | 2595 | 539:15 |
2005 | 2123 | 741:30 |
2006 | 1335 | 671:30 |
2007 | 3707 | 742:30 |
2008 | 1523 | 700:00 |
2009 | 4591 | 629:45 |
2010 | 5043 | 570:15 |
2011 | 4971 | 520:15 |
2012 | 3705 | 543:15 |
2013 | 2285 | 410:30 |
2014 | 3001 | 500:15 |
2015 | 1643 | 683:45 |
2016 | 2252 | 688:45 |
2017 | 1609 | 671:00 |
2018 | 2329 | 739:00 |
2019 | 2487 | 737:00 |
2020 | 1573 | 795:00 |
2021 | 1872 | 787:15 |
2022 | 747 | 404:50 |