Graph
Year | Totals | Observation hours |
---|---|---|
1997 | 26 | 63:45 |
1998 | 23 | 48:00 |
1999 | 68 | 79:45 |
2000 | 38 | 114:15 |
2001 | 102 | 130:55 |
2002 | 105 | 311:10 |
2003 | 162 | 434:00 |
2004 | 150 | 539:15 |
2005 | 236 | 741:30 |
2006 | 173 | 671:30 |
2007 | 127 | 742:30 |
2008 | 189 | 700:00 |
2009 | 158 | 629:45 |
2010 | 283 | 570:15 |
2011 | 301 | 520:15 |
2012 | 162 | 543:15 |
2013 | 198 | 410:30 |
2014 | 157 | 500:15 |
2015 | 112 | 683:45 |
2016 | 115 | 688:45 |
2017 | 123 | 671:00 |
2018 | 182 | 739:00 |
2019 | 127 | 737:00 |
2020 | 117 | 795:00 |
2021 | 105 | 787:15 |
2022 | 81 | 648:40 |
2023 | 0 | 9:00 |