Graph
Year | Totals | Observation hours |
---|---|---|
2006 | 38 | 61:32 |
2007 | 454 | 211:28 |
2008 | 6321 | 460:04 |
2009 | 5537 | 365:00 |
2010 | 5904 | 637:04 |
2011 | 4083 | 348:08 |
2012 | 6495 | 333:29 |
2013 | 2550 | 281:38 |
2014 | 3138 | 156:47 |
2015 | 787 | 117:20 |
2016 | 2148 | 142:02 |
2017 | 1250 | 179:22 |
2018 | 1881 | 222:16 |
2019 | 1119 | 251:51 |
2020 | 549 | 326:27 |
2021 | 988 | 172:06 |
2022 | 37 | 55:11 |