| Années | Nombres d'actes |
|---|---|
| 1970 | 4 |
| 1971 | 56 |
| 1972 | 89 |
| 1973 | 92 |
| 1974 | 101 |
| 1975 | 100 |
| 1976 | 100 |
| 1977 | 116 |
| 1978 | 134 |
| 1979 | 124 |
| 1980 | 108 |
| 1981 | 135 |
| 1982 | 136 |
| 1983 | 136 |
| 1984 | 127 |
| 1985 | 183 |
| 1986 | 128 |
| 1987 | 147 |
| 1988 | 151 |
| 1989 | 146 |
| 1990 | 199 |
| 1991 | 170 |
| 1992 | 167 |
| 1993 | 169 |
| 1994 | 145 |
| 1995 | 158 |
| 1996 | 156 |
| 1997 | 134 |
| 1998 | 174 |
| 1999 | 142 |
| 2000 | 185 |
| 2001 | 167 |
| 2002 | 137 |
| 2003 | 163 |
| 2004 | 158 |
| 2005 | 169 |
| 2006 | 158 |
| 2007 | 170 |
| 2008 | 118 |
| 2009 | 178 |
| 2010 | 146 |
| 2011 | 187 |
| 2012 | 193 |
| 2013 | 193 |
| 2014 | 160 |
| 2015 | 200 |
| 2016 | 200 |
| 2017 | 188 |
| 2018 | 198 |
| 2019 | 171 |
| 2020 | 238 |
| 2021 | 214 |
| 2022 | 221 |
| 2023 | 221 |