

*Excludes Observations that spanned multiple years
B![]() | b![]() | t![]() | W![]() | w![]() | ||
|---|---|---|---|---|---|---|
| Pre 1970 | 0 | 5 | 7 | 0 | 0 | 12 |
| 1970 | 0 | 0 | 3 | 0 | 0 | 3 |
| 1971 | 0 | 1 | 1 | 0 | 0 | 2 |
| 1972 | 0 | 1 | 3 | 0 | 0 | 4 |
| 1973 | 0 | 1 | 1 | 0 | 0 | 2 |
| 1974 | 0 | 0 | 6 | 0 | 0 | 6 |
| 1975 | 0 | 2 | 5 | 0 | 0 | 7 |
| 1976 | 0 | 3 | 2 | 0 | 0 | 5 |
| 1977 | 1 | 2 | 6 | 0 | 0 | 9 |
| 1978 | 0 | 1 | 4 | 0 | 0 | 5 |
| 1979 | 0 | 3 | 6 | 0 | 0 | 9 |
| 1980 | 0 | 0 | 4 | 0 | 0 | 4 |
| 1981 | 0 | 2 | 1 | 0 | 0 | 3 |
| 1982 | 0 | 1 | 7 | 0 | 0 | 8 |
| 1983 | 0 | 1 | 4 | 0 | 0 | 5 |
| 1984 | 0 | 2 | 5 | 0 | 0 | 7 |
| 1985 | 0 | 3 | 7 | 0 | 0 | 10 |
| 1986 | 1 | 2 | 5 | 0 | 0 | 8 |
| 1987 | 0 | 3 | 19 | 0 | 0 | 22 |
| 1988 | 0 | 3 | 20 | 0 | 0 | 23 |
| 1989 | 0 | 5 | 30 | 0 | 0 | 35 |
| 1990 | 2 | 24 | 12 | 0 | 0 | 38 |
| 1991 | 6 | 17 | 16 | 0 | 0 | 39 |
| 1992 | 1 | 191 | 12 | 0 | 0 | 204 |
| 1993 | 2 | 614 | 16 | 0 | 0 | 632 |
| 1994 | 1 | 1333 | 23 | 0 | 0 | 1357 |
| 1995 | 4 | 1031 | 23 | 0 | 0 | 1058 |
| 1996 | 0 | 1185 | 14 | 0 | 0 | 1199 |
| 1997 | 1 | 821 | 22 | 0 | 0 | 844 |
| 1998 | 1 | 881 | 19 | 0 | 0 | 901 |
| 1999 | 0 | 165 | 14 | 0 | 0 | 179 |
| 2000 | 3 | 1037 | 16 | 0 | 0 | 1056 |
| 2001 | 1 | 934 | 18 | 0 | 0 | 953 |
| 2002 | 2 | 900 | 30 | 0 | 0 | 932 |
| 2003 | 0 | 960 | 45 | 0 | 0 | 1005 |
| 2004 | 1 | 1182 | 28 | 0 | 0 | 1211 |
| 2005 | 1 | 300 | 52 | 0 | 0 | 353 |
| 2006 | 1 | 795 | 61 | 0 | 0 | 857 |
| 2007 | 2 | 1354 | 87 | 0 | 0 | 1443 |
| 2008 | 1 | 548 | 72 | 0 | 0 | 621 |
| 2009 | 0 | 127 | 92 | 0 | 0 | 219 |
| 2010 | 3 | 516 | 227 | 0 | 0 | 746 |
| 2011 | 0 | 305 | 162 | 0 | 0 | 467 |
| 2012 | 6 | 648 | 121 | 0 | 0 | 775 |
| 2013 | 8 | 817 | 220 | 0 | 0 | 1045 |
| 2014 | 5 | 919 | 250 | 0 | 0 | 1174 |
| 2015 | 10 | 1059 | 300 | 0 | 1 | 1370 |
| 2016 | 4 | 1322 | 287 | 0 | 0 | 1613 |
| 2017 | 5 | 1435 | 354 | 0 | 0 | 1794 |
| 2018 | 4 | 1458 | 465 | 0 | 0 | 1927 |
| 2019 | 5 | 1313 | 534 | 0 | 4 | 1856 |
| 2020 | 5 | 1674 | 685 | 0 | 2 | 2366 |
| 2021 | 5 | 1442 | 663 | 0 | 0 | 2110 |
| 2022 | 8 | 1723 | 870 | 0 | 0 | 2601 |
| 2023 | 20 | 2310 | 447 | 0 | 0 | 2777 |
| 2024 | 15 | 2216 | 412 | 0 | 0 | 2643 |
| 2025 | 1 | 0 | 20 | 0 | 0 | 21 |
| Total | 136 | 33597 | 6835 | 0 | 7 | 40575 |