

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 0 | 0 | 7 | 0 | 2 | 9 |
| 1970 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1971 | 0 | 0 | 2 | 0 | 1 | 3 |
| 1972 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1973 | 0 | 0 | 2 | 0 | 0 | 2 |
| 1974 | 0 | 0 | 2 | 0 | 1 | 3 |
| 1975 | 0 | 0 | 6 | 0 | 1 | 7 |
| 1976 | 0 | 0 | 2 | 0 | 2 | 4 |
| 1977 | 1 | 0 | 11 | 0 | 1 | 13 |
| 1978 | 0 | 0 | 1 | 0 | 1 | 2 |
| 1979 | 0 | 0 | 7 | 0 | 1 | 8 |
| 1980 | 0 | 0 | 5 | 0 | 1 | 6 |
| 1981 | 0 | 0 | 4 | 0 | 4 | 8 |
| 1982 | 0 | 0 | 3 | 0 | 1 | 4 |
| 1983 | 0 | 0 | 3 | 0 | 1 | 4 |
| 1984 | 0 | 0 | 5 | 0 | 1 | 6 |
| 1985 | 0 | 0 | 4 | 0 | 1 | 5 |
| 1986 | 0 | 0 | 10 | 0 | 2 | 12 |
| 1987 | 1 | 0 | 12 | 0 | 2 | 15 |
| 1988 | 2 | 0 | 11 | 0 | 2 | 15 |
| 1989 | 0 | 0 | 21 | 0 | 3 | 24 |
| 1990 | 3 | 4 | 44 | 0 | 3 | 54 |
| 1991 | 4 | 3 | 29 | 0 | 2 | 38 |
| 1992 | 1 | 1 | 17 | 0 | 4 | 23 |
| 1993 | 2 | 3 | 46 | 0 | 3 | 54 |
| 1994 | 0 | 3 | 84 | 0 | 7 | 94 |
| 1995 | 2 | 1 | 52 | 0 | 4 | 59 |
| 1996 | 8 | 6 | 60 | 0 | 2 | 76 |
| 1997 | 0 | 7 | 119 | 0 | 7 | 133 |
| 1998 | 0 | 9 | 96 | 0 | 7 | 112 |
| 1999 | 2 | 5 | 94 | 0 | 9 | 110 |
| 2000 | 2 | 4 | 121 | 0 | 3 | 130 |
| 2001 | 3 | 0 | 96 | 0 | 11 | 110 |
| 2002 | 1 | 1 | 93 | 0 | 5 | 100 |
| 2003 | 1 | 0 | 145 | 0 | 5 | 151 |
| 2004 | 0 | 0 | 207 | 0 | 5 | 212 |
| 2005 | 1 | 1 | 172 | 0 | 4 | 178 |
| 2006 | 0 | 1 | 158 | 0 | 6 | 165 |
| 2007 | 0 | 1 | 140 | 0 | 5 | 146 |
| 2008 | 1 | 1 | 175 | 0 | 2 | 179 |
| 2009 | 9 | 1 | 215 | 0 | 4 | 229 |
| 2010 | 8 | 2 | 298 | 0 | 4 | 312 |
| 2011 | 8 | 0 | 380 | 0 | 8 | 396 |
| 2012 | 13 | 2 | 473 | 0 | 22 | 510 |
| 2013 | 9 | 0 | 545 | 0 | 29 | 583 |
| 2014 | 13 | 0 | 501 | 0 | 19 | 533 |
| 2015 | 10 | 1 | 657 | 0 | 18 | 686 |
| 2016 | 10 | 0 | 814 | 1 | 33 | 858 |
| 2017 | 5 | 3 | 1061 | 0 | 25 | 1094 |
| 2018 | 10 | 1 | 1089 | 0 | 37 | 1137 |
| 2019 | 5 | 1 | 1157 | 0 | 35 | 1198 |
| 2020 | 2 | 2 | 1216 | 0 | 58 | 1278 |
| 2021 | 2 | 0 | 1319 | 0 | 39 | 1360 |
| 2022 | 2 | 1 | 1544 | 0 | 45 | 1592 |
| 2023 | 9 | 3 | 1282 | 0 | 43 | 1337 |
| 2024 | 13 | 2 | 1627 | 0 | 84 | 1726 |
| 2025 | 0 | 0 | 31 | 0 | 0 | 31 |
| Total | 163 | 70 | 16276 | 1 | 625 | 17135 |