

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 0 | 4 | 9 | 0 | 23 | 36 |
| 1970 | 0 | 0 | 7 | 0 | 2 | 9 |
| 1971 | 0 | 3 | 1 | 0 | 6 | 10 |
| 1972 | 0 | 0 | 2 | 0 | 3 | 5 |
| 1973 | 0 | 1 | 2 | 0 | 3 | 6 |
| 1974 | 0 | 2 | 5 | 0 | 3 | 10 |
| 1975 | 0 | 11 | 4 | 0 | 1 | 16 |
| 1976 | 0 | 3 | 4 | 0 | 6 | 13 |
| 1977 | 0 | 2 | 8 | 0 | 4 | 14 |
| 1978 | 0 | 1 | 2 | 0 | 4 | 7 |
| 1979 | 0 | 3 | 6 | 0 | 5 | 14 |
| 1980 | 0 | 2 | 9 | 0 | 3 | 14 |
| 1981 | 0 | 1 | 7 | 0 | 4 | 12 |
| 1982 | 0 | 3 | 8 | 0 | 6 | 17 |
| 1983 | 0 | 2 | 7 | 0 | 5 | 14 |
| 1984 | 0 | 2 | 9 | 0 | 8 | 19 |
| 1985 | 0 | 1 | 2 | 0 | 6 | 9 |
| 1986 | 1 | 5 | 17 | 0 | 5 | 28 |
| 1987 | 0 | 1 | 15 | 0 | 4 | 20 |
| 1988 | 0 | 7 | 6 | 0 | 7 | 20 |
| 1989 | 2 | 9 | 18 | 0 | 5 | 34 |
| 1990 | 4 | 60 | 19 | 0 | 4 | 87 |
| 1991 | 3 | 26 | 27 | 0 | 2 | 58 |
| 1992 | 3 | 19 | 18 | 0 | 4 | 44 |
| 1993 | 3 | 61 | 34 | 0 | 4 | 102 |
| 1994 | 1 | 168 | 66 | 0 | 4 | 239 |
| 1995 | 8 | 119 | 26 | 0 | 4 | 157 |
| 1996 | 9 | 83 | 36 | 0 | 5 | 133 |
| 1997 | 8 | 463 | 47 | 0 | 7 | 525 |
| 1998 | 6 | 325 | 36 | 0 | 6 | 373 |
| 1999 | 3 | 269 | 37 | 0 | 5 | 314 |
| 2000 | 1 | 361 | 42 | 0 | 8 | 412 |
| 2001 | 6 | 343 | 54 | 0 | 5 | 408 |
| 2002 | 1 | 316 | 87 | 0 | 5 | 409 |
| 2003 | 1 | 425 | 120 | 0 | 4 | 550 |
| 2004 | 7 | 458 | 78 | 0 | 9 | 552 |
| 2005 | 0 | 393 | 129 | 0 | 6 | 528 |
| 2006 | 5 | 368 | 128 | 0 | 6 | 507 |
| 2007 | 0 | 333 | 129 | 0 | 5 | 467 |
| 2008 | 0 | 217 | 203 | 0 | 5 | 425 |
| 2009 | 3 | 184 | 205 | 0 | 6 | 398 |
| 2010 | 6 | 205 | 282 | 0 | 5 | 498 |
| 2011 | 1 | 169 | 343 | 0 | 8 | 521 |
| 2012 | 5 | 551 | 234 | 0 | 12 | 802 |
| 2013 | 5 | 535 | 277 | 0 | 6 | 823 |
| 2014 | 2 | 606 | 257 | 0 | 14 | 879 |
| 2015 | 3 | 715 | 389 | 0 | 29 | 1136 |
| 2016 | 2 | 825 | 362 | 0 | 23 | 1212 |
| 2017 | 7 | 1076 | 507 | 0 | 19 | 1609 |
| 2018 | 6 | 959 | 511 | 0 | 26 | 1502 |
| 2019 | 6 | 1155 | 590 | 0 | 19 | 1770 |
| 2020 | 6 | 1257 | 782 | 0 | 13 | 2058 |
| 2021 | 1 | 1393 | 698 | 0 | 21 | 2113 |
| 2022 | 4 | 1396 | 1014 | 0 | 20 | 2434 |
| 2023 | 23 | 1692 | 566 | 0 | 20 | 2301 |
| 2024 | 29 | 1657 | 681 | 0 | 32 | 2399 |
| 2025 | 0 | 4 | 20 | 0 | 0 | 24 |
| Total | 181 | 19249 | 9182 | 0 | 484 | 29096 |