*Excludes Observations that spanned multiple years
| B | b | t | W | w | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 0 | 0 | 13 | 0 | 12 | 25 |
| 1970 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1971 | 0 | 0 | 2 | 0 | 2 | 4 |
| 1972 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1973 | 0 | 0 | 3 | 0 | 2 | 5 |
| 1974 | 0 | 0 | 2 | 0 | 1 | 3 |
| 1975 | 0 | 4 | 4 | 0 | 4 | 12 |
| 1976 | 0 | 0 | 1 | 0 | 5 | 6 |
| 1977 | 1 | 2 | 12 | 0 | 4 | 19 |
| 1978 | 0 | 4 | 3 | 0 | 3 | 10 |
| 1979 | 1 | 2 | 14 | 0 | 5 | 22 |
| 1980 | 0 | 0 | 7 | 0 | 2 | 9 |
| 1981 | 0 | 0 | 14 | 0 | 7 | 21 |
| 1982 | 0 | 0 | 10 | 0 | 5 | 15 |
| 1983 | 2 | 1 | 7 | 0 | 4 | 14 |
| 1984 | 0 | 0 | 4 | 0 | 5 | 9 |
| 1985 | 0 | 0 | 5 | 0 | 4 | 9 |
| 1986 | 0 | 5 | 18 | 0 | 6 | 29 |
| 1987 | 1 | 3 | 19 | 1 | 11 | 35 |
| 1988 | 0 | 3 | 22 | 0 | 7 | 32 |
| 1989 | 0 | 7 | 20 | 0 | 9 | 36 |
| 1990 | 1 | 11 | 24 | 0 | 10 | 46 |
| 1991 | 3 | 15 | 52 | 0 | 5 | 75 |
| 1992 | 3 | 3 | 20 | 0 | 10 | 36 |
| 1993 | 6 | 13 | 39 | 0 | 5 | 63 |
| 1994 | 4 | 25 | 76 | 0 | 9 | 114 |
| 1995 | 8 | 2 | 50 | 0 | 11 | 71 |
| 1996 | 13 | 18 | 52 | 0 | 8 | 91 |
| 1997 | 11 | 22 | 77 | 0 | 15 | 125 |
| 1998 | 6 | 15 | 63 | 1 | 13 | 98 |
| 1999 | 4 | 4 | 52 | 0 | 14 | 74 |
| 2000 | 2 | 9 | 58 | 0 | 8 | 77 |
| 2001 | 5 | 9 | 51 | 1 | 10 | 76 |
| 2002 | 2 | 3 | 84 | 0 | 4 | 93 |
| 2003 | 9 | 23 | 81 | 0 | 8 | 121 |
| 2004 | 3 | 16 | 82 | 0 | 7 | 108 |
| 2005 | 3 | 36 | 125 | 0 | 9 | 173 |
| 2006 | 7 | 41 | 140 | 0 | 13 | 201 |
| 2007 | 1 | 2 | 120 | 0 | 15 | 138 |
| 2008 | 2 | 1 | 203 | 0 | 6 | 212 |
| 2009 | 7 | 2 | 384 | 1 | 21 | 415 |
| 2010 | 15 | 8 | 353 | 0 | 15 | 391 |
| 2011 | 5 | 1 | 498 | 0 | 31 | 535 |
| 2012 | 12 | 9 | 667 | 1 | 47 | 736 |
| 2013 | 13 | 1 | 556 | 1 | 44 | 615 |
| 2014 | 9 | 5 | 487 | 0 | 51 | 552 |
| 2015 | 30 | 2 | 598 | 0 | 51 | 681 |
| 2016 | 19 | 0 | 697 | 1 | 65 | 782 |
| 2017 | 37 | 0 | 875 | 0 | 80 | 992 |
| 2018 | 48 | 2 | 1088 | 1 | 46 | 1185 |
| 2019 | 63 | 3 | 1063 | 0 | 58 | 1187 |
| 2020 | 28 | 3 | 1100 | 0 | 73 | 1204 |
| 2021 | 10 | 1 | 977 | 1 | 91 | 1080 |
| 2022 | 15 | 1 | 1108 | 1 | 93 | 1218 |
| 2023 | 49 | 2 | 930 | 0 | 76 | 1057 |
| 2024 | 44 | 4 | 1089 | 0 | 66 | 1203 |
| 2025 | 0 | 0 | 22 | 0 | 1 | 23 |
| Total | 502 | 343 | 14122 | 10 | 1189 | 16166 |