

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 5 | 0 | 6 | 0 | 0 | 11 |
| 1970 | 1 | 0 | 0 | 0 | 0 | 1 |
| 1971 | 1 | 0 | 0 | 0 | 0 | 1 |
| 1972 | 1 | 0 | 1 | 0 | 0 | 2 |
| 1973 | 0 | 0 | 5 | 0 | 0 | 5 |
| 1974 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1975 | 1 | 0 | 1 | 0 | 0 | 2 |
| 1976 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1977 | 0 | 0 | 7 | 0 | 0 | 7 |
| 1978 | 1 | 0 | 1 | 0 | 0 | 2 |
| 1979 | 1 | 0 | 5 | 0 | 0 | 6 |
| 1980 | 1 | 0 | 2 | 0 | 0 | 3 |
| 1981 | 1 | 0 | 0 | 0 | 0 | 1 |
| 1982 | 1 | 0 | 2 | 0 | 0 | 3 |
| 1983 | 1 | 0 | 1 | 0 | 0 | 2 |
| 1984 | 1 | 0 | 3 | 0 | 0 | 4 |
| 1985 | 2 | 0 | 4 | 0 | 0 | 6 |
| 1986 | 1 | 0 | 6 | 0 | 0 | 7 |
| 1987 | 1 | 0 | 7 | 0 | 0 | 8 |
| 1988 | 1 | 0 | 6 | 0 | 0 | 7 |
| 1989 | 0 | 1 | 11 | 0 | 0 | 12 |
| 1990 | 0 | 0 | 18 | 0 | 0 | 18 |
| 1991 | 3 | 1 | 15 | 0 | 0 | 19 |
| 1992 | 0 | 0 | 12 | 0 | 0 | 12 |
| 1993 | 2 | 1 | 31 | 0 | 0 | 34 |
| 1994 | 5 | 0 | 38 | 0 | 0 | 43 |
| 1995 | 3 | 0 | 22 | 0 | 1 | 26 |
| 1996 | 2 | 1 | 28 | 0 | 0 | 31 |
| 1997 | 2 | 3 | 49 | 0 | 0 | 54 |
| 1998 | 3 | 0 | 39 | 0 | 0 | 42 |
| 1999 | 4 | 0 | 22 | 0 | 0 | 26 |
| 2000 | 3 | 0 | 29 | 0 | 0 | 32 |
| 2001 | 3 | 0 | 44 | 0 | 0 | 47 |
| 2002 | 1 | 1 | 43 | 0 | 0 | 45 |
| 2003 | 1 | 2 | 53 | 0 | 0 | 56 |
| 2004 | 1 | 0 | 70 | 0 | 0 | 71 |
| 2005 | 0 | 1 | 88 | 0 | 0 | 89 |
| 2006 | 0 | 0 | 47 | 0 | 0 | 47 |
| 2007 | 0 | 0 | 68 | 0 | 0 | 68 |
| 2008 | 1 | 1 | 59 | 0 | 0 | 61 |
| 2009 | 7 | 0 | 72 | 0 | 0 | 79 |
| 2010 | 7 | 0 | 109 | 0 | 0 | 116 |
| 2011 | 6 | 0 | 110 | 0 | 0 | 116 |
| 2012 | 2 | 0 | 149 | 0 | 0 | 151 |
| 2013 | 4 | 1 | 136 | 0 | 0 | 141 |
| 2014 | 2 | 0 | 133 | 0 | 0 | 135 |
| 2015 | 0 | 0 | 181 | 0 | 0 | 181 |
| 2016 | 4 | 1 | 266 | 0 | 0 | 271 |
| 2017 | 0 | 1 | 305 | 0 | 0 | 306 |
| 2018 | 2 | 0 | 334 | 0 | 0 | 336 |
| 2019 | 2 | 2 | 326 | 0 | 0 | 330 |
| 2020 | 1 | 1 | 306 | 0 | 0 | 308 |
| 2021 | 0 | 0 | 412 | 0 | 0 | 412 |
| 2022 | 0 | 0 | 402 | 0 | 0 | 402 |
| 2023 | 3 | 1 | 388 | 0 | 0 | 392 |
| 2024 | 1 | 3 | 491 | 0 | 2 | 497 |
| 2025 | 0 | 0 | 16 | 0 | 0 | 16 |
| Total | 96 | 22 | 4981 | 0 | 3 | 5102 |