

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 9 | 1 | 7 | 0 | 9 | 26 |
| 1970 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1971 | 0 | 0 | 1 | 0 | 2 | 3 |
| 1972 | 0 | 0 | 2 | 0 | 1 | 3 |
| 1973 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1974 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1975 | 0 | 0 | 1 | 0 | 2 | 3 |
| 1976 | 0 | 0 | 4 | 0 | 1 | 5 |
| 1977 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1978 | 0 | 0 | 3 | 0 | 0 | 3 |
| 1979 | 0 | 0 | 3 | 0 | 0 | 3 |
| 1980 | 0 | 0 | 3 | 0 | 2 | 5 |
| 1981 | 0 | 0 | 5 | 0 | 0 | 5 |
| 1982 | 0 | 1 | 1 | 0 | 0 | 2 |
| 1983 | 0 | 0 | 3 | 0 | 0 | 3 |
| 1984 | 1 | 0 | 3 | 0 | 1 | 5 |
| 1985 | 1 | 0 | 3 | 0 | 1 | 5 |
| 1986 | 3 | 0 | 5 | 0 | 1 | 9 |
| 1987 | 1 | 0 | 11 | 0 | 0 | 12 |
| 1988 | 2 | 0 | 6 | 0 | 1 | 9 |
| 1989 | 1 | 0 | 2 | 0 | 0 | 3 |
| 1990 | 0 | 1 | 17 | 0 | 0 | 18 |
| 1991 | 1 | 0 | 19 | 0 | 2 | 22 |
| 1992 | 2 | 0 | 22 | 0 | 4 | 28 |
| 1993 | 2 | 0 | 22 | 0 | 6 | 30 |
| 1994 | 13 | 0 | 30 | 0 | 3 | 46 |
| 1995 | 15 | 1 | 45 | 0 | 7 | 68 |
| 1996 | 6 | 0 | 47 | 0 | 1 | 54 |
| 1997 | 17 | 1 | 39 | 0 | 3 | 60 |
| 1998 | 21 | 0 | 27 | 0 | 2 | 50 |
| 1999 | 25 | 1 | 31 | 0 | 2 | 59 |
| 2000 | 26 | 0 | 30 | 0 | 5 | 61 |
| 2001 | 38 | 0 | 31 | 0 | 2 | 71 |
| 2002 | 38 | 4 | 40 | 0 | 1 | 83 |
| 2003 | 40 | 0 | 25 | 0 | 1 | 66 |
| 2004 | 53 | 2 | 35 | 0 | 1 | 91 |
| 2005 | 51 | 1 | 18 | 0 | 4 | 74 |
| 2006 | 62 | 4 | 38 | 0 | 2 | 106 |
| 2007 | 1 | 1 | 30 | 1 | 2 | 35 |
| 2008 | 0 | 1 | 34 | 0 | 3 | 38 |
| 2009 | 6 | 3 | 47 | 0 | 2 | 58 |
| 2010 | 2 | 1 | 56 | 0 | 1 | 60 |
| 2011 | 4 | 11 | 72 | 0 | 4 | 91 |
| 2012 | 103 | 13 | 60 | 0 | 0 | 176 |
| 2013 | 56 | 33 | 104 | 0 | 1 | 194 |
| 2014 | 69 | 33 | 112 | 0 | 2 | 216 |
| 2015 | 24 | 13 | 143 | 0 | 2 | 182 |
| 2016 | 10 | 13 | 178 | 0 | 5 | 206 |
| 2017 | 68 | 16 | 192 | 0 | 7 | 283 |
| 2018 | 49 | 2 | 234 | 0 | 0 | 285 |
| 2019 | 7 | 5 | 212 | 0 | 2 | 226 |
| 2020 | 4 | 6 | 235 | 0 | 4 | 249 |
| 2021 | 6 | 3 | 226 | 0 | 1 | 236 |
| 2022 | 10 | 9 | 259 | 0 | 4 | 282 |
| 2023 | 10 | 5 | 228 | 0 | 5 | 248 |
| 2024 | 6 | 5 | 222 | 0 | 2 | 235 |
| 2025 | 0 | 7 | 5 | 0 | 0 | 12 |
| Total | 863 | 197 | 3231 | 1 | 118 | 4410 |