

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 3 | 10 | 35 | 0 | 51 | 99 |
| 1970 | 0 | 0 | 6 | 0 | 2 | 8 |
| 1971 | 0 | 7 | 2 | 0 | 7 | 16 |
| 1972 | 0 | 0 | 4 | 0 | 4 | 8 |
| 1973 | 0 | 1 | 7 | 0 | 6 | 14 |
| 1974 | 0 | 2 | 10 | 0 | 6 | 18 |
| 1975 | 0 | 3 | 7 | 0 | 9 | 19 |
| 1976 | 0 | 3 | 5 | 0 | 6 | 14 |
| 1977 | 0 | 3 | 12 | 0 | 12 | 27 |
| 1978 | 0 | 2 | 4 | 0 | 8 | 14 |
| 1979 | 0 | 4 | 14 | 0 | 10 | 28 |
| 1980 | 1 | 5 | 7 | 0 | 11 | 24 |
| 1981 | 0 | 1 | 8 | 0 | 17 | 26 |
| 1982 | 0 | 4 | 14 | 0 | 16 | 34 |
| 1983 | 0 | 1 | 14 | 0 | 17 | 32 |
| 1984 | 0 | 5 | 15 | 0 | 11 | 31 |
| 1985 | 0 | 5 | 14 | 0 | 12 | 31 |
| 1986 | 0 | 9 | 25 | 0 | 11 | 45 |
| 1987 | 0 | 6 | 46 | 0 | 17 | 69 |
| 1988 | 1 | 12 | 33 | 0 | 18 | 64 |
| 1989 | 0 | 15 | 54 | 0 | 16 | 85 |
| 1990 | 1 | 81 | 31 | 0 | 11 | 124 |
| 1991 | 3 | 44 | 37 | 0 | 9 | 93 |
| 1992 | 11 | 126 | 33 | 0 | 15 | 185 |
| 1993 | 5 | 478 | 52 | 0 | 15 | 550 |
| 1994 | 15 | 1818 | 110 | 0 | 24 | 1967 |
| 1995 | 15 | 1566 | 54 | 2 | 22 | 1659 |
| 1996 | 12 | 1475 | 59 | 1 | 16 | 1563 |
| 1997 | 12 | 1206 | 70 | 1 | 21 | 1310 |
| 1998 | 20 | 1669 | 77 | 1 | 19 | 1786 |
| 1999 | 11 | 700 | 58 | 1 | 18 | 788 |
| 2000 | 15 | 1896 | 90 | 1 | 31 | 2033 |
| 2001 | 15 | 1564 | 89 | 1 | 37 | 1706 |
| 2002 | 5 | 1760 | 146 | 2 | 17 | 1930 |
| 2003 | 12 | 2199 | 118 | 1 | 17 | 2347 |
| 2004 | 10 | 2681 | 125 | 0 | 22 | 2838 |
| 2005 | 10 | 1166 | 232 | 0 | 26 | 1434 |
| 2006 | 16 | 1377 | 312 | 1 | 29 | 1735 |
| 2007 | 20 | 1496 | 334 | 2 | 29 | 1881 |
| 2008 | 10 | 1063 | 407 | 2 | 15 | 1497 |
| 2009 | 17 | 520 | 506 | 1 | 33 | 1077 |
| 2010 | 33 | 916 | 783 | 1 | 32 | 1765 |
| 2011 | 22 | 596 | 853 | 0 | 50 | 1521 |
| 2012 | 42 | 1312 | 807 | 2 | 66 | 2229 |
| 2013 | 55 | 1677 | 1104 | 0 | 66 | 2902 |
| 2014 | 62 | 2087 | 1094 | 0 | 81 | 3324 |
| 2015 | 65 | 2289 | 1440 | 0 | 242 | 4036 |
| 2016 | 76 | 2373 | 1787 | 0 | 229 | 4465 |
| 2017 | 112 | 2960 | 2020 | 4 | 260 | 5356 |
| 2018 | 108 | 3117 | 2245 | 2 | 179 | 5651 |
| 2019 | 121 | 3446 | 2388 | 8 | 281 | 6244 |
| 2020 | 44 | 3386 | 3528 | 0 | 213 | 7171 |
| 2021 | 56 | 3709 | 3336 | 0 | 198 | 7299 |
| 2022 | 59 | 3819 | 4081 | 1 | 175 | 8135 |
| 2023 | 184 | 5052 | 2098 | 0 | 195 | 7529 |
| 2024 | 190 | 5169 | 2717 | 0 | 265 | 8341 |
| 2025 | 3 | 11 | 86 | 0 | 8 | 108 |
| Total | 1472 | 66902 | 33643 | 35 | 3233 | 105285 |