Graph
Year | Totals | Observation hours |
---|---|---|
2000 | 385 | 93:00 |
2001 | 622 | 287:00 |
2002 | 319 | 316:00 |
2003 | 783 | 382:42 |
2004 | 733 | 342:37 |
2005 | 555 | 554:39 |
2006 | 1042 | 657:43 |
2007 | 1215 | 725:19 |
2008 | 2034 | 1488:17 |
2009 | 2547 | 799:54 |
2010 | 2860 | 900:27 |
2011 | 1327 | 834:45 |
2012 | 2466 | 840:54 |
2013 | 1405 | 890:41 |
2014 | 1586 | 864:15 |
2015 | 622 | 727:16 |
2016 | 1247 | 659:29 |
2017 | 1208 | 777:46 |
2018 | 1074 | 766:48 |
2019 | 1020 | 683:31 |
2020 | 951 | 839:09 |