Graph
Year | Totals | Observation hours |
---|---|---|
1997 | 15 | 63:45 |
1998 | 3 | 48:00 |
1999 | 3 | 79:45 |
2000 | 8 | 114:15 |
2001 | 32 | 130:55 |
2002 | 52 | 311:10 |
2003 | 176 | 434:00 |
2004 | 172 | 539:15 |
2005 | 225 | 741:30 |
2006 | 309 | 671:30 |
2007 | 132 | 742:30 |
2008 | 211 | 700:00 |
2009 | 195 | 629:45 |
2010 | 136 | 570:15 |
2011 | 92 | 520:15 |
2012 | 151 | 543:15 |
2013 | 151 | 410:30 |
2014 | 240 | 500:15 |
2015 | 122 | 683:45 |
2016 | 166 | 688:45 |
2017 | 275 | 671:00 |
2018 | 117 | 739:00 |
2019 | 81 | 737:00 |
2020 | 208 | 795:00 |
2021 | 70 | 787:15 |
2022 | 12 | 407:20 |