By year
1981 2
1982 1
1983 5
1984 9
1985 11
1986 57
1987 164
1988 191
1989 178
1990 117
1991 60
1992 78
1993 44
1994 18
1995 12
1996 7
1997 3
1998 1
2001 1
2008 1
2009 1
2010 1
2011 1
2012 1
2014 2
2015 3
2016 3
2017 2
2018 2
2019 2
2020 2
2021 1
2022 1
2023 1
2024 4
2025 1
2026 4