

*Excludes Observations that spanned multiple years
| B  | b  | t  | W  | w  | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 1 | 3 | 3 | 0 | 0 | 7 | 
| 1970 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 1971 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 1972 | 0 | 0 | 1 | 0 | 0 | 1 | 
| 1973 | 0 | 0 | 1 | 0 | 0 | 1 | 
| 1974 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 1975 | 0 | 1 | 2 | 0 | 0 | 3 | 
| 1976 | 0 | 1 | 4 | 0 | 0 | 5 | 
| 1977 | 0 | 0 | 0 | 0 | 0 | 0 | 
| 1978 | 0 | 1 | 2 | 0 | 0 | 3 | 
| 1979 | 0 | 0 | 2 | 0 | 0 | 2 | 
| 1980 | 0 | 1 | 3 | 0 | 0 | 4 | 
| 1981 | 0 | 0 | 3 | 0 | 0 | 3 | 
| 1982 | 0 | 1 | 8 | 0 | 0 | 9 | 
| 1983 | 0 | 1 | 2 | 0 | 0 | 3 | 
| 1984 | 0 | 1 | 2 | 0 | 0 | 3 | 
| 1985 | 0 | 1 | 1 | 0 | 0 | 2 | 
| 1986 | 0 | 4 | 8 | 0 | 0 | 12 | 
| 1987 | 0 | 2 | 11 | 0 | 0 | 13 | 
| 1988 | 0 | 4 | 5 | 0 | 0 | 9 | 
| 1989 | 0 | 8 | 9 | 0 | 0 | 17 | 
| 1990 | 1 | 17 | 7 | 0 | 0 | 25 | 
| 1991 | 0 | 13 | 9 | 0 | 0 | 22 | 
| 1992 | 2 | 5 | 14 | 0 | 0 | 21 | 
| 1993 | 3 | 21 | 13 | 0 | 0 | 37 | 
| 1994 | 1 | 41 | 26 | 0 | 0 | 68 | 
| 1995 | 5 | 16 | 15 | 0 | 0 | 36 | 
| 1996 | 3 | 25 | 8 | 0 | 0 | 36 | 
| 1997 | 4 | 51 | 16 | 0 | 0 | 71 | 
| 1998 | 1 | 57 | 12 | 0 | 0 | 70 | 
| 1999 | 0 | 28 | 15 | 0 | 0 | 43 | 
| 2000 | 0 | 44 | 18 | 0 | 0 | 62 | 
| 2001 | 4 | 57 | 14 | 0 | 0 | 75 | 
| 2002 | 0 | 70 | 17 | 0 | 0 | 87 | 
| 2003 | 0 | 107 | 30 | 0 | 0 | 137 | 
| 2004 | 0 | 115 | 33 | 0 | 0 | 148 | 
| 2005 | 1 | 97 | 27 | 0 | 0 | 125 | 
| 2006 | 0 | 104 | 60 | 0 | 0 | 164 | 
| 2007 | 0 | 90 | 61 | 0 | 0 | 151 | 
| 2008 | 0 | 73 | 70 | 0 | 0 | 143 | 
| 2009 | 0 | 34 | 48 | 0 | 0 | 82 | 
| 2010 | 2 | 76 | 105 | 0 | 0 | 183 | 
| 2011 | 0 | 35 | 151 | 0 | 0 | 186 | 
| 2012 | 3 | 177 | 114 | 0 | 0 | 294 | 
| 2013 | 2 | 194 | 89 | 0 | 0 | 285 | 
| 2014 | 1 | 262 | 91 | 0 | 0 | 354 | 
| 2015 | 3 | 338 | 129 | 0 | 0 | 470 | 
| 2016 | 4 | 376 | 173 | 0 | 0 | 553 | 
| 2017 | 8 | 459 | 170 | 0 | 0 | 637 | 
| 2018 | 0 | 526 | 188 | 0 | 0 | 714 | 
| 2019 | 8 | 551 | 233 | 0 | 0 | 792 | 
| 2020 | 5 | 617 | 266 | 0 | 0 | 888 | 
| 2021 | 1 | 603 | 220 | 0 | 0 | 824 | 
| 2022 | 5 | 580 | 280 | 0 | 0 | 865 | 
| 2023 | 11 | 676 | 140 | 0 | 0 | 827 | 
| 2024 | 9 | 663 | 210 | 0 | 0 | 882 | 
| 2025 | 0 | 1 | 9 | 0 | 0 | 10 | 
| Total | 88 | 7228 | 3148 | 0 | 0 | 10464 |