Graph
Year | Totals | Observation hours |
---|---|---|
1997 | 0 | 63:45 |
1998 | 0 | 48:00 |
1999 | 50 | 79:45 |
2000 | 33 | 114:15 |
2001 | 10 | 130:55 |
2002 | 352 | 311:10 |
2003 | 919 | 434:00 |
2004 | 939 | 539:15 |
2005 | 997 | 741:30 |
2006 | 1473 | 671:30 |
2007 | 315 | 742:30 |
2008 | 757 | 700:00 |
2009 | 105 | 629:45 |
2010 | 3625 | 570:15 |
2011 | 1409 | 520:15 |
2012 | 40 | 543:15 |
2013 | 177 | 410:30 |
2014 | 84 | 500:15 |
2015 | 6 | 683:45 |
2016 | 5 | 688:45 |
2017 | 0 | 671:00 |
2018 | 0 | 739:00 |
2019 | 0 | 737:00 |
2020 | 0 | 795:00 |
2021 | 0 | 787:15 |
2022 | 0 | 313:50 |