

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 0 | 0 | 25 | 0 | 61 | 86 |
| 1970 | 0 | 0 | 4 | 0 | 1 | 5 |
| 1971 | 0 | 0 | 4 | 0 | 3 | 7 |
| 1972 | 0 | 0 | 4 | 0 | 5 | 9 |
| 1973 | 0 | 0 | 1 | 0 | 5 | 6 |
| 1974 | 0 | 0 | 4 | 0 | 2 | 6 |
| 1975 | 0 | 0 | 3 | 0 | 3 | 6 |
| 1976 | 0 | 0 | 5 | 0 | 12 | 17 |
| 1977 | 0 | 0 | 7 | 0 | 10 | 17 |
| 1978 | 1 | 0 | 8 | 0 | 8 | 17 |
| 1979 | 11 | 0 | 8 | 0 | 12 | 31 |
| 1980 | 11 | 0 | 4 | 0 | 12 | 27 |
| 1981 | 6 | 0 | 8 | 0 | 14 | 28 |
| 1982 | 9 | 0 | 10 | 0 | 16 | 35 |
| 1983 | 9 | 1 | 8 | 0 | 12 | 30 |
| 1984 | 3 | 0 | 2 | 0 | 14 | 19 |
| 1985 | 1 | 1 | 6 | 0 | 19 | 27 |
| 1986 | 3 | 1 | 11 | 0 | 22 | 37 |
| 1987 | 4 | 3 | 7 | 0 | 21 | 35 |
| 1988 | 8 | 4 | 10 | 0 | 18 | 40 |
| 1989 | 2 | 1 | 15 | 0 | 16 | 34 |
| 1990 | 6 | 12 | 30 | 2 | 14 | 64 |
| 1991 | 19 | 12 | 38 | 1 | 20 | 90 |
| 1992 | 8 | 9 | 58 | 0 | 16 | 91 |
| 1993 | 6 | 6 | 18 | 2 | 21 | 53 |
| 1994 | 14 | 21 | 44 | 0 | 25 | 104 |
| 1995 | 8 | 5 | 49 | 2 | 27 | 91 |
| 1996 | 8 | 11 | 43 | 0 | 15 | 77 |
| 1997 | 5 | 5 | 58 | 1 | 28 | 97 |
| 1998 | 15 | 12 | 58 | 0 | 17 | 102 |
| 1999 | 4 | 9 | 37 | 0 | 19 | 69 |
| 2000 | 3 | 9 | 58 | 0 | 23 | 93 |
| 2001 | 10 | 8 | 61 | 0 | 31 | 110 |
| 2002 | 7 | 2 | 50 | 0 | 20 | 79 |
| 2003 | 9 | 15 | 56 | 0 | 20 | 100 |
| 2004 | 14 | 11 | 66 | 0 | 22 | 113 |
| 2005 | 15 | 11 | 108 | 0 | 22 | 156 |
| 2006 | 26 | 5 | 66 | 1 | 28 | 126 |
| 2007 | 16 | 8 | 70 | 2 | 27 | 123 |
| 2008 | 17 | 19 | 93 | 1 | 20 | 150 |
| 2009 | 21 | 4 | 132 | 1 | 29 | 187 |
| 2010 | 19 | 13 | 165 | 0 | 22 | 219 |
| 2011 | 16 | 7 | 126 | 0 | 27 | 176 |
| 2012 | 31 | 10 | 181 | 0 | 56 | 278 |
| 2013 | 27 | 15 | 267 | 0 | 58 | 367 |
| 2014 | 45 | 211 | 238 | 1 | 69 | 564 |
| 2015 | 84 | 29 | 338 | 0 | 97 | 548 |
| 2016 | 62 | 21 | 461 | 1 | 133 | 678 |
| 2017 | 94 | 18 | 503 | 0 | 147 | 762 |
| 2018 | 79 | 24 | 517 | 1 | 143 | 764 |
| 2019 | 60 | 62 | 473 | 0 | 128 | 723 |
| 2020 | 74 | 64 | 607 | 0 | 105 | 850 |
| 2021 | 24 | 66 | 598 | 0 | 133 | 821 |
| 2022 | 51 | 21 | 633 | 1 | 158 | 864 |
| 2023 | 67 | 10 | 614 | 0 | 145 | 836 |
| 2024 | 75 | 19 | 654 | 0 | 167 | 915 |
| 2025 | 2 | 1 | 46 | 0 | 3 | 52 |
| Total | 1109 | 796 | 7768 | 17 | 2321 | 12011 |