

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 2 | 1 | 6 | 0 | 1 | 10 |
| 1970 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1971 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1972 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1973 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1974 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1975 | 0 | 1 | 2 | 0 | 0 | 3 |
| 1976 | 0 | 1 | 3 | 0 | 0 | 4 |
| 1977 | 0 | 0 | 6 | 0 | 0 | 6 |
| 1978 | 0 | 1 | 4 | 0 | 0 | 5 |
| 1979 | 0 | 3 | 6 | 0 | 0 | 9 |
| 1980 | 0 | 1 | 4 | 0 | 0 | 5 |
| 1981 | 0 | 0 | 3 | 0 | 0 | 3 |
| 1982 | 0 | 0 | 8 | 0 | 0 | 8 |
| 1983 | 0 | 0 | 6 | 0 | 0 | 6 |
| 1984 | 0 | 0 | 3 | 0 | 0 | 3 |
| 1985 | 0 | 2 | 2 | 0 | 0 | 4 |
| 1986 | 0 | 7 | 7 | 0 | 0 | 14 |
| 1987 | 1 | 4 | 8 | 0 | 0 | 13 |
| 1988 | 0 | 4 | 7 | 0 | 0 | 11 |
| 1989 | 2 | 11 | 3 | 0 | 0 | 16 |
| 1990 | 0 | 8 | 7 | 0 | 0 | 15 |
| 1991 | 2 | 14 | 4 | 0 | 0 | 20 |
| 1992 | 0 | 26 | 6 | 0 | 0 | 32 |
| 1993 | 1 | 28 | 7 | 0 | 0 | 36 |
| 1994 | 1 | 92 | 14 | 0 | 0 | 107 |
| 1995 | 0 | 41 | 12 | 0 | 0 | 53 |
| 1996 | 2 | 65 | 12 | 0 | 0 | 79 |
| 1997 | 2 | 54 | 9 | 0 | 0 | 65 |
| 1998 | 1 | 89 | 8 | 0 | 0 | 98 |
| 1999 | 0 | 32 | 10 | 0 | 0 | 42 |
| 2000 | 2 | 110 | 13 | 0 | 0 | 125 |
| 2001 | 0 | 73 | 12 | 0 | 0 | 85 |
| 2002 | 0 | 200 | 19 | 0 | 0 | 219 |
| 2003 | 2 | 283 | 26 | 0 | 0 | 311 |
| 2004 | 2 | 291 | 20 | 0 | 0 | 313 |
| 2005 | 0 | 74 | 23 | 0 | 0 | 97 |
| 2006 | 0 | 381 | 68 | 0 | 0 | 449 |
| 2007 | 0 | 174 | 26 | 0 | 0 | 200 |
| 2008 | 2 | 89 | 22 | 0 | 0 | 113 |
| 2009 | 2 | 177 | 59 | 0 | 0 | 238 |
| 2010 | 3 | 60 | 59 | 0 | 0 | 122 |
| 2011 | 0 | 85 | 48 | 0 | 0 | 133 |
| 2012 | 0 | 212 | 52 | 0 | 0 | 264 |
| 2013 | 4 | 203 | 62 | 0 | 0 | 269 |
| 2014 | 10 | 276 | 67 | 0 | 0 | 353 |
| 2015 | 10 | 248 | 87 | 0 | 0 | 345 |
| 2016 | 3 | 189 | 108 | 0 | 0 | 300 |
| 2017 | 7 | 240 | 78 | 0 | 0 | 325 |
| 2018 | 5 | 164 | 91 | 0 | 0 | 260 |
| 2019 | 5 | 150 | 72 | 0 | 0 | 227 |
| 2020 | 2 | 279 | 149 | 0 | 0 | 430 |
| 2021 | 2 | 211 | 117 | 0 | 0 | 330 |
| 2022 | 2 | 198 | 140 | 0 | 0 | 340 |
| 2023 | 10 | 401 | 102 | 0 | 0 | 513 |
| 2024 | 7 | 453 | 174 | 0 | 0 | 634 |
| 2025 | 0 | 2 | 6 | 0 | 0 | 8 |
| Total | 94 | 5708 | 1871 | 0 | 1 | 7674 |