| Années | Nombres d'actes |
|---|---|
| 1971 | 14 |
| 1972 | 27 |
| 1973 | 29 |
| 1974 | 27 |
| 1975 | 42 |
| 1976 | 54 |
| 1977 | 38 |
| 1978 | 25 |
| 1979 | 43 |
| 1980 | 58 |
| 1981 | 34 |
| 1982 | 43 |
| 1983 | 75 |
| 1984 | 48 |
| 1985 | 59 |
| 1986 | 43 |
| 1987 | 65 |
| 1988 | 80 |
| 1989 | 62 |
| 1990 | 94 |
| 1991 | 60 |
| 1992 | 95 |
| 1993 | 100 |
| 1994 | 120 |
| 1995 | 85 |
| 1996 | 80 |
| 1997 | 51 |
| 1998 | 95 |
| 1999 | 86 |
| 2000 | 68 |
| 2001 | 86 |
| 2002 | 93 |
| 2003 | 115 |
| 2004 | 66 |
| 2005 | 80 |
| 2006 | 81 |
| 2007 | 61 |
| 2008 | 88 |
| 2009 | 76 |
| 2010 | 87 |
| 2011 | 85 |
| 2012 | 74 |
| 2013 | 76 |
| 2014 | 84 |
| 2015 | 98 |
| 2016 | 89 |
| 2017 | 93 |
| 2018 | 87 |
| 2019 | 67 |
| 2020 | 115 |
| 2021 | 1 |
| 2022 | 73 |
| 2023 | 65 |