Graph
Year | Totals | Observation hours |
---|---|---|
2000 | 962 | 93:00 |
2001 | 1953 | 287:00 |
2002 | 2253 | 316:00 |
2003 | 1884 | 382:42 |
2004 | 3303 | 342:37 |
2005 | 5248 | 554:39 |
2006 | 7453 | 657:43 |
2007 | 2005 | 725:19 |
2008 | 5603 | 1488:17 |
2009 | 6000 | 799:54 |
2010 | 3792 | 900:27 |
2011 | 6908 | 834:45 |
2012 | 5920 | 840:54 |
2013 | 10249 | 890:41 |
2014 | 5854 | 864:15 |
2015 | 5250 | 727:16 |
2016 | 2373 | 659:29 |
2017 | 1473 | 777:46 |
2018 | 7831 | 766:48 |
2019 | 2326 | 683:31 |
2020 | 3462 | 839:09 |