Graph
Year | Totals | Observation hours |
---|---|---|
2006 | 192 | 23:40 |
2007 | 551 | 71:05 |
2008 | 161 | 94:25 |
2009 | 181 | 91:45 |
2010 | 124 | 159:55 |
2011 | 897 | 208:42 |
2012 | 820 | 196:45 |
2013 | 752 | 239:26 |
2014 | 1186 | 218:15 |
2015 | 973 | 145:35 |
2016 | 1366 | 217:52 |
2017 | 1662 | 191:09 |
2018 | 2363 | 243:43 |
2019 | 561 | 191:56 |
2020 | 1951 | 108:23 |
2021 | 854 | 156:10 |
2022 | 63 | 25:42 |