*Excludes Observations that spanned multiple years
Pre 1970 | 127 |
---|---|
1970 | 1 |
1971 | 1 |
1972 | 1 |
1973 | 1 |
1974 | 7 |
1975 | 5 |
1976 | 10 |
1977 | 2 |
1978 | 0 |
1979 | 8 |
1980 | 5 |
1981 | 9 |
1982 | 1 |
1983 | 6 |
1984 | 0 |
1985 | 1 |
1986 | 22 |
1987 | 17 |
1988 | 276 |
1989 | 19 |
1990 | 9 |
1991 | 35 |
1992 | 80 |
1993 | 86 |
1994 | 161 |
1995 | 133 |
1996 | 56 |
1997 | 97 |
1998 | 6 |
1999 | 3 |
2000 | 4 |
2001 | 24 |
2002 | 55 |
2003 | 82 |
2004 | 92 |
2005 | 84 |
2006 | 83 |
2007 | 88 |
2008 | 96 |
2009 | 81 |
2010 | 168 |
2011 | 160 |
2012 | 95 |
2013 | 115 |
2014 | 116 |
2015 | 104 |
2016 | 143 |
2017 | 149 |
2018 | 77 |
2019 | 110 |
2020 | 109 |
2021 | 120 |
2022 | 243 |
2023 | 65 |
2024 | 17 |
Total | 3665 |