

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 0 | 0 | 3 | 0 | 9 | 12 |
| 1970 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1971 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1972 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1973 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1974 | 0 | 0 | 2 | 0 | 0 | 2 |
| 1975 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1976 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1977 | 0 | 0 | 3 | 0 | 1 | 4 |
| 1978 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1979 | 0 | 0 | 2 | 0 | 1 | 3 |
| 1980 | 0 | 0 | 1 | 0 | 2 | 3 |
| 1981 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1982 | 1 | 0 | 1 | 0 | 1 | 3 |
| 1983 | 2 | 0 | 2 | 0 | 1 | 5 |
| 1984 | 6 | 0 | 27 | 0 | 0 | 33 |
| 1985 | 3 | 1 | 6 | 0 | 7 | 17 |
| 1986 | 0 | 0 | 3 | 0 | 1 | 4 |
| 1987 | 0 | 0 | 3 | 0 | 1 | 4 |
| 1988 | 1 | 0 | 3 | 0 | 2 | 6 |
| 1989 | 0 | 0 | 2 | 0 | 3 | 5 |
| 1990 | 3 | 2 | 8 | 0 | 2 | 15 |
| 1991 | 1 | 2 | 13 | 0 | 1 | 17 |
| 1992 | 1 | 0 | 17 | 0 | 2 | 20 |
| 1993 | 6 | 0 | 22 | 0 | 3 | 31 |
| 1994 | 9 | 2 | 24 | 0 | 17 | 52 |
| 1995 | 5 | 2 | 28 | 0 | 18 | 53 |
| 1996 | 8 | 0 | 24 | 0 | 20 | 52 |
| 1997 | 9 | 1 | 19 | 0 | 13 | 42 |
| 1998 | 11 | 0 | 36 | 0 | 18 | 65 |
| 1999 | 8 | 1 | 31 | 0 | 22 | 62 |
| 2000 | 4 | 0 | 76 | 0 | 10 | 90 |
| 2001 | 6 | 0 | 30 | 0 | 22 | 58 |
| 2002 | 15 | 1 | 34 | 0 | 26 | 76 |
| 2003 | 10 | 0 | 39 | 0 | 32 | 81 |
| 2004 | 9 | 1 | 29 | 0 | 9 | 48 |
| 2005 | 5 | 0 | 30 | 0 | 27 | 62 |
| 2006 | 3 | 0 | 40 | 0 | 25 | 68 |
| 2007 | 3 | 0 | 48 | 0 | 17 | 68 |
| 2008 | 0 | 0 | 62 | 0 | 9 | 71 |
| 2009 | 0 | 0 | 71 | 0 | 17 | 88 |
| 2010 | 2 | 1 | 92 | 0 | 15 | 110 |
| 2011 | 4 | 1 | 103 | 0 | 15 | 123 |
| 2012 | 4 | 3 | 136 | 0 | 31 | 174 |
| 2013 | 4 | 7 | 184 | 1 | 28 | 224 |
| 2014 | 5 | 2 | 148 | 0 | 32 | 187 |
| 2015 | 12 | 3 | 208 | 0 | 45 | 268 |
| 2016 | 12 | 1 | 244 | 0 | 48 | 305 |
| 2017 | 12 | 6 | 405 | 1 | 81 | 505 |
| 2018 | 9 | 5 | 541 | 0 | 91 | 646 |
| 2019 | 21 | 8 | 467 | 1 | 71 | 568 |
| 2020 | 16 | 1 | 576 | 2 | 95 | 690 |
| 2021 | 24 | 2 | 517 | 0 | 98 | 641 |
| 2022 | 20 | 2 | 632 | 1 | 98 | 753 |
| 2023 | 25 | 8 | 576 | 0 | 113 | 722 |
| 2024 | 30 | 12 | 721 | 0 | 138 | 901 |
| 2025 | 1 | 1 | 21 | 0 | 3 | 26 |
| Total | 330 | 76 | 6311 | 6 | 1345 | 8068 |