| Années | Nombres d'actes |
|---|---|
| 1970 | 15 |
| 1971 | 70 |
| 1972 | 158 |
| 1973 | 138 |
| 1974 | 147 |
| 1975 | 194 |
| 1976 | 201 |
| 1977 | 188 |
| 1978 | 183 |
| 1979 | 201 |
| 1980 | 200 |
| 1981 | 190 |
| 1982 | 221 |
| 1983 | 203 |
| 1984 | 214 |
| 1985 | 239 |
| 1986 | 214 |
| 1987 | 249 |
| 1988 | 219 |
| 1989 | 238 |
| 1990 | 275 |
| 1991 | 224 |
| 1992 | 265 |
| 1993 | 293 |
| 1994 | 258 |
| 1995 | 333 |
| 1996 | 267 |
| 1997 | 269 |
| 1998 | 322 |
| 1999 | 307 |
| 2000 | 291 |
| 2001 | 281 |
| 2002 | 311 |
| 2003 | 330 |
| 2004 | 268 |
| 2005 | 255 |
| 2006 | 297 |
| 2007 | 269 |
| 2008 | 273 |
| 2009 | 294 |
| 2010 | 258 |
| 2011 | 228 |
| 2012 | 262 |
| 2013 | 253 |
| 2014 | 258 |
| 2015 | 274 |
| 2016 | 294 |
| 2017 | 335 |
| 2018 | 301 |
| 2019 | 319 |
| 2020 | 419 |
| 2021 | 330 |
| 2022 | 363 |
| 2023 | 398 |