

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 0 | 0 | 4 | 0 | 1 | 5 |
| 1970 | 0 | 0 | 0 | 0 | 0 | 0 |
| 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 | 1 | 2 |
| 1975 | 0 | 0 | 0 | 0 | 3 | 3 |
| 1976 | 0 | 0 | 0 | 0 | 5 | 5 |
| 1977 | 0 | 0 | 1 | 0 | 5 | 6 |
| 1978 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1979 | 0 | 1 | 2 | 0 | 2 | 5 |
| 1980 | 0 | 0 | 2 | 0 | 0 | 2 |
| 1981 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1982 | 0 | 0 | 2 | 0 | 4 | 6 |
| 1983 | 0 | 0 | 4 | 0 | 4 | 8 |
| 1984 | 0 | 0 | 1 | 0 | 3 | 4 |
| 1985 | 0 | 0 | 4 | 0 | 5 | 9 |
| 1986 | 0 | 1 | 4 | 0 | 3 | 8 |
| 1987 | 0 | 1 | 6 | 0 | 6 | 13 |
| 1988 | 0 | 0 | 2 | 0 | 5 | 7 |
| 1989 | 0 | 0 | 5 | 0 | 7 | 12 |
| 1990 | 0 | 0 | 3 | 0 | 10 | 13 |
| 1991 | 0 | 1 | 12 | 0 | 3 | 16 |
| 1992 | 0 | 0 | 4 | 0 | 7 | 11 |
| 1993 | 0 | 0 | 1 | 1 | 6 | 8 |
| 1994 | 0 | 1 | 16 | 0 | 14 | 31 |
| 1995 | 1 | 0 | 12 | 1 | 7 | 21 |
| 1996 | 0 | 1 | 10 | 0 | 11 | 22 |
| 1997 | 0 | 0 | 15 | 0 | 18 | 33 |
| 1998 | 2 | 0 | 15 | 0 | 18 | 35 |
| 1999 | 1 | 0 | 8 | 2 | 10 | 21 |
| 2000 | 1 | 0 | 9 | 0 | 13 | 23 |
| 2001 | 3 | 0 | 6 | 0 | 12 | 21 |
| 2002 | 2 | 2 | 18 | 0 | 6 | 28 |
| 2003 | 0 | 2 | 13 | 0 | 6 | 21 |
| 2004 | 0 | 1 | 22 | 0 | 15 | 38 |
| 2005 | 0 | 1 | 41 | 0 | 20 | 62 |
| 2006 | 1 | 1 | 26 | 1 | 16 | 45 |
| 2007 | 2 | 1 | 28 | 0 | 13 | 44 |
| 2008 | 1 | 1 | 34 | 0 | 15 | 51 |
| 2009 | 0 | 0 | 25 | 1 | 14 | 40 |
| 2010 | 1 | 0 | 28 | 0 | 16 | 45 |
| 2011 | 0 | 0 | 51 | 0 | 18 | 69 |
| 2012 | 1 | 0 | 68 | 0 | 31 | 100 |
| 2013 | 2 | 2 | 107 | 0 | 25 | 136 |
| 2014 | 2 | 0 | 137 | 0 | 31 | 170 |
| 2015 | 1 | 2 | 143 | 2 | 41 | 189 |
| 2016 | 2 | 1 | 169 | 0 | 45 | 217 |
| 2017 | 4 | 1 | 302 | 0 | 85 | 392 |
| 2018 | 6 | 5 | 311 | 0 | 103 | 425 |
| 2019 | 2 | 4 | 700 | 2 | 109 | 817 |
| 2020 | 0 | 2 | 1026 | 2 | 209 | 1239 |
| 2021 | 2 | 2 | 603 | 3 | 183 | 793 |
| 2022 | 2 | 0 | 465 | 2 | 73 | 542 |
| 2023 | 0 | 2 | 521 | 0 | 79 | 602 |
| 2024 | 0 | 1 | 558 | 0 | 100 | 659 |
| 2025 | 0 | 0 | 10 | 0 | 0 | 10 |
| Total | 39 | 37 | 5558 | 17 | 1437 | 7088 |