| Années | Nombres d'actes |
|---|---|
| 1930 | 1 |
| ... | |
| 39 années | |
| ... | |
| 1970 | 1 |
| 1971 | 27 |
| 1972 | 30 |
| 1973 | 39 |
| 1974 | 42 |
| 1975 | 51 |
| 1976 | 51 |
| 1977 | 52 |
| 1978 | 56 |
| 1979 | 52 |
| 1980 | 55 |
| 1981 | 45 |
| 1982 | 59 |
| 1983 | 82 |
| 1984 | 76 |
| 1985 | 65 |
| 1986 | 66 |
| 1987 | 65 |
| 1988 | 70 |
| 1989 | 78 |
| 1990 | 76 |
| 1991 | 69 |
| 1992 | 70 |
| 1993 | 79 |
| 1994 | 66 |
| 1995 | 62 |
| 1996 | 73 |
| 1997 | 58 |
| 1998 | 47 |
| 1999 | 90 |
| 2000 | 64 |
| 2001 | 62 |
| 2002 | 52 |
| 2003 | 60 |
| 2004 | 54 |
| 2005 | 50 |
| 2006 | 55 |
| 2007 | 40 |
| 2008 | 73 |
| 2009 | 51 |
| 2010 | 50 |
| 2011 | 50 |
| 2012 | 45 |
| 2013 | 46 |
| 2014 | 38 |
| 2015 | 58 |
| 2016 | 54 |
| 2017 | 68 |
| 2018 | 63 |
| 2019 | 85 |
| 2020 | 88 |
| 2021 | 85 |
| 2022 | 87 |
| 2023 | 75 |