

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 4 | 1 | 3 | 0 | 0 | 8 |
| 1970 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1971 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1972 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1973 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1974 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1975 | 0 | 0 | 2 | 0 | 0 | 2 |
| 1976 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1977 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1978 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1979 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1980 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1981 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1982 | 0 | 1 | 0 | 0 | 0 | 1 |
| 1983 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1984 | 0 | 1 | 0 | 0 | 0 | 1 |
| 1985 | 0 | 1 | 0 | 0 | 0 | 1 |
| 1986 | 0 | 1 | 1 | 0 | 0 | 2 |
| 1987 | 0 | 1 | 2 | 0 | 0 | 3 |
| 1988 | 0 | 0 | 2 | 0 | 0 | 2 |
| 1989 | 0 | 2 | 2 | 0 | 0 | 4 |
| 1990 | 0 | 4 | 0 | 0 | 1 | 5 |
| 1991 | 0 | 7 | 4 | 0 | 0 | 11 |
| 1992 | 0 | 0 | 3 | 0 | 0 | 3 |
| 1993 | 0 | 22 | 1 | 0 | 0 | 23 |
| 1994 | 0 | 81 | 3 | 0 | 0 | 84 |
| 1995 | 3 | 63 | 6 | 0 | 0 | 72 |
| 1996 | 1 | 42 | 2 | 0 | 0 | 45 |
| 1997 | 1 | 14 | 5 | 0 | 0 | 20 |
| 1998 | 0 | 77 | 1 | 0 | 0 | 78 |
| 1999 | 0 | 22 | 3 | 0 | 0 | 25 |
| 2000 | 1 | 75 | 4 | 0 | 0 | 80 |
| 2001 | 0 | 32 | 4 | 0 | 0 | 36 |
| 2002 | 0 | 94 | 7 | 0 | 1 | 102 |
| 2003 | 0 | 79 | 2 | 0 | 0 | 81 |
| 2004 | 0 | 132 | 1 | 0 | 0 | 133 |
| 2005 | 2 | 17 | 6 | 0 | 0 | 25 |
| 2006 | 0 | 70 | 7 | 0 | 0 | 77 |
| 2007 | 0 | 23 | 5 | 0 | 0 | 28 |
| 2008 | 0 | 13 | 7 | 0 | 0 | 20 |
| 2009 | 1 | 27 | 20 | 0 | 0 | 48 |
| 2010 | 0 | 18 | 13 | 0 | 0 | 31 |
| 2011 | 0 | 23 | 26 | 0 | 0 | 49 |
| 2012 | 1 | 43 | 18 | 0 | 2 | 64 |
| 2013 | 0 | 70 | 22 | 0 | 0 | 92 |
| 2014 | 2 | 126 | 12 | 0 | 0 | 140 |
| 2015 | 4 | 86 | 30 | 0 | 4 | 124 |
| 2016 | 0 | 97 | 31 | 0 | 1 | 129 |
| 2017 | 4 | 110 | 35 | 0 | 0 | 149 |
| 2018 | 2 | 108 | 38 | 0 | 1 | 149 |
| 2019 | 4 | 131 | 65 | 0 | 1 | 201 |
| 2020 | 3 | 154 | 44 | 0 | 1 | 202 |
| 2021 | 3 | 110 | 37 | 0 | 0 | 150 |
| 2022 | 1 | 132 | 62 | 0 | 1 | 196 |
| 2023 | 3 | 217 | 43 | 0 | 0 | 263 |
| 2024 | 1 | 191 | 35 | 0 | 0 | 227 |
| 2025 | 0 | 0 | 4 | 0 | 0 | 4 |
| Total | 41 | 2518 | 620 | 0 | 13 | 3192 |