

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 1 | 3 | 14 | 0 | 2 | 20 |
| 1970 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1971 | 0 | 0 | 2 | 0 | 0 | 2 |
| 1972 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1973 | 0 | 1 | 3 | 0 | 1 | 5 |
| 1974 | 0 | 2 | 0 | 0 | 0 | 2 |
| 1975 | 0 | 0 | 2 | 0 | 0 | 2 |
| 1976 | 0 | 2 | 2 | 0 | 0 | 4 |
| 1977 | 0 | 0 | 3 | 0 | 0 | 3 |
| 1978 | 0 | 0 | 3 | 0 | 1 | 4 |
| 1979 | 0 | 1 | 4 | 0 | 0 | 5 |
| 1980 | 0 | 1 | 2 | 0 | 0 | 3 |
| 1981 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1982 | 0 | 1 | 2 | 0 | 0 | 3 |
| 1983 | 0 | 0 | 5 | 0 | 0 | 5 |
| 1984 | 0 | 0 | 2 | 0 | 0 | 2 |
| 1985 | 1 | 0 | 2 | 0 | 1 | 4 |
| 1986 | 0 | 0 | 8 | 0 | 2 | 10 |
| 1987 | 0 | 2 | 7 | 0 | 3 | 12 |
| 1988 | 0 | 2 | 6 | 0 | 0 | 8 |
| 1989 | 0 | 6 | 8 | 0 | 2 | 16 |
| 1990 | 0 | 8 | 4 | 0 | 4 | 16 |
| 1991 | 3 | 8 | 9 | 0 | 1 | 21 |
| 1992 | 2 | 56 | 14 | 0 | 0 | 72 |
| 1993 | 1 | 81 | 10 | 0 | 1 | 93 |
| 1994 | 0 | 404 | 19 | 0 | 5 | 428 |
| 1995 | 1 | 412 | 14 | 0 | 3 | 430 |
| 1996 | 0 | 316 | 5 | 0 | 0 | 321 |
| 1997 | 1 | 131 | 11 | 0 | 1 | 144 |
| 1998 | 1 | 320 | 7 | 0 | 4 | 332 |
| 1999 | 0 | 40 | 10 | 0 | 1 | 51 |
| 2000 | 0 | 275 | 14 | 0 | 2 | 291 |
| 2001 | 0 | 81 | 15 | 0 | 2 | 98 |
| 2002 | 1 | 232 | 18 | 0 | 0 | 251 |
| 2003 | 2 | 55 | 13 | 0 | 3 | 73 |
| 2004 | 0 | 265 | 14 | 0 | 2 | 281 |
| 2005 | 0 | 115 | 19 | 0 | 0 | 134 |
| 2006 | 1 | 115 | 15 | 0 | 3 | 134 |
| 2007 | 0 | 118 | 13 | 0 | 3 | 134 |
| 2008 | 0 | 68 | 28 | 0 | 0 | 96 |
| 2009 | 0 | 12 | 26 | 0 | 0 | 38 |
| 2010 | 0 | 75 | 45 | 0 | 1 | 121 |
| 2011 | 1 | 47 | 24 | 1 | 2 | 75 |
| 2012 | 1 | 84 | 29 | 0 | 5 | 119 |
| 2013 | 1 | 108 | 49 | 0 | 3 | 161 |
| 2014 | 1 | 103 | 78 | 0 | 3 | 185 |
| 2015 | 1 | 112 | 73 | 0 | 8 | 194 |
| 2016 | 2 | 141 | 76 | 0 | 12 | 231 |
| 2017 | 2 | 154 | 91 | 1 | 11 | 259 |
| 2018 | 3 | 173 | 125 | 0 | 1 | 302 |
| 2019 | 0 | 129 | 78 | 0 | 1 | 208 |
| 2020 | 0 | 152 | 148 | 0 | 2 | 302 |
| 2021 | 1 | 135 | 93 | 0 | 6 | 235 |
| 2022 | 6 | 141 | 121 | 0 | 5 | 273 |
| 2023 | 1 | 159 | 69 | 0 | 2 | 231 |
| 2024 | 0 | 195 | 76 | 0 | 2 | 273 |
| 2025 | 0 | 1 | 4 | 0 | 0 | 5 |
| Total | 35 | 5042 | 1535 | 2 | 112 | 6726 |