Graph
Year | Totals | Observation hours |
---|---|---|
2000 | 31 | 93:00 |
2001 | 89 | 287:00 |
2002 | 89 | 316:00 |
2003 | 157 | 382:42 |
2004 | 120 | 342:37 |
2005 | 237 | 554:39 |
2006 | 454 | 657:43 |
2007 | 510 | 725:19 |
2008 | 822 | 1488:17 |
2009 | 347 | 799:54 |
2010 | 625 | 900:27 |
2011 | 446 | 834:45 |
2012 | 565 | 840:54 |
2013 | 515 | 890:41 |
2014 | 586 | 864:15 |
2015 | 329 | 727:16 |
2016 | 238 | 659:29 |
2017 | 382 | 777:46 |
2018 | 553 | 766:48 |
2019 | 511 | 683:31 |
2020 | 496 | 839:09 |
2021 | 466 | 921:00 |
2022 | 385 | 853:07 |