

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 0 | 0 | 3 | 0 | 24 | 27 |
| 1970 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1971 | 0 | 0 | 0 | 0 | 5 | 5 |
| 1972 | 0 | 0 | 0 | 0 | 2 | 2 |
| 1973 | 0 | 0 | 0 | 0 | 2 | 2 |
| 1974 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1975 | 0 | 1 | 1 | 0 | 1 | 3 |
| 1976 | 0 | 0 | 3 | 0 | 3 | 6 |
| 1977 | 0 | 0 | 5 | 0 | 5 | 10 |
| 1978 | 0 | 0 | 4 | 0 | 5 | 9 |
| 1979 | 0 | 0 | 7 | 0 | 4 | 11 |
| 1980 | 0 | 0 | 6 | 0 | 2 | 8 |
| 1981 | 0 | 0 | 3 | 0 | 3 | 6 |
| 1982 | 0 | 0 | 3 | 0 | 3 | 6 |
| 1983 | 0 | 0 | 3 | 0 | 4 | 7 |
| 1984 | 0 | 0 | 1 | 0 | 4 | 5 |
| 1985 | 0 | 0 | 2 | 0 | 3 | 5 |
| 1986 | 0 | 0 | 6 | 0 | 7 | 13 |
| 1987 | 0 | 0 | 6 | 0 | 6 | 12 |
| 1988 | 0 | 0 | 3 | 0 | 3 | 6 |
| 1989 | 0 | 2 | 4 | 0 | 4 | 10 |
| 1990 | 0 | 3 | 4 | 0 | 3 | 10 |
| 1991 | 0 | 1 | 6 | 0 | 4 | 11 |
| 1992 | 0 | 1 | 2 | 0 | 3 | 6 |
| 1993 | 0 | 2 | 4 | 0 | 4 | 10 |
| 1994 | 1 | 7 | 14 | 0 | 4 | 26 |
| 1995 | 0 | 3 | 11 | 0 | 2 | 16 |
| 1996 | 1 | 4 | 9 | 0 | 4 | 18 |
| 1997 | 0 | 7 | 5 | 0 | 6 | 18 |
| 1998 | 0 | 4 | 8 | 0 | 5 | 17 |
| 1999 | 0 | 12 | 4 | 0 | 4 | 20 |
| 2000 | 0 | 4 | 8 | 0 | 6 | 18 |
| 2001 | 0 | 4 | 11 | 0 | 4 | 19 |
| 2002 | 0 | 16 | 17 | 0 | 2 | 35 |
| 2003 | 0 | 37 | 8 | 0 | 3 | 48 |
| 2004 | 0 | 22 | 9 | 0 | 5 | 36 |
| 2005 | 0 | 3 | 12 | 0 | 5 | 20 |
| 2006 | 1 | 59 | 13 | 1 | 2 | 76 |
| 2007 | 0 | 4 | 14 | 1 | 7 | 26 |
| 2008 | 0 | 5 | 21 | 1 | 6 | 33 |
| 2009 | 0 | 7 | 15 | 1 | 6 | 29 |
| 2010 | 0 | 2 | 22 | 0 | 5 | 29 |
| 2011 | 0 | 1 | 19 | 0 | 5 | 25 |
| 2012 | 0 | 2 | 34 | 0 | 8 | 44 |
| 2013 | 0 | 10 | 44 | 0 | 11 | 65 |
| 2014 | 0 | 9 | 43 | 0 | 9 | 61 |
| 2015 | 2 | 2 | 62 | 0 | 13 | 79 |
| 2016 | 0 | 0 | 51 | 0 | 15 | 66 |
| 2017 | 0 | 0 | 77 | 0 | 17 | 94 |
| 2018 | 0 | 0 | 57 | 0 | 16 | 73 |
| 2019 | 5 | 0 | 111 | 0 | 16 | 132 |
| 2020 | 0 | 3 | 74 | 0 | 18 | 95 |
| 2021 | 2 | 1 | 74 | 0 | 19 | 96 |
| 2022 | 0 | 1 | 103 | 0 | 15 | 119 |
| 2023 | 0 | 1 | 122 | 0 | 19 | 142 |
| 2024 | 1 | 32 | 135 | 0 | 20 | 188 |
| 2025 | 0 | 2 | 7 | 0 | 0 | 9 |
| Total | 13 | 274 | 1292 | 4 | 383 | 1966 |