| Années | Nombres d'actes | |
|---|---|---|
| 1971 | 1 |
|
| ... | ||
| 4 années | ||
| ... | ||
| 1976 | 1 |
|
| ... | ||
| 3 années | ||
| ... | ||
| 1980 | 1 |
|
| ... | ||
| 5 années | ||
| ... | ||
| 1986 | 1 |
|
| 1987 | 0 | |
| 1988 | 1 |
|
| 1989 | 0 | |
| 1990 | 0 | |
| 1991 | 1 |
|
| 1992 | 1 |
|
| 1993 | 0 | |
| 1994 | 0 | |
| 1995 | 1 |
|
| 1996 | 1 |
|
| 1997 | 2 |
|
| 1998 | 0 | |
| 1999 | 1 |
|
| 2000 | 0 | |
| 2001 | 2 |
|
| 2002 | 1 |
|
| 2003 | 0 | |
| 2004 | 0 | |
| 2005 | 1 |
|
| 2006 | 0 | |
| 2007 | 1 |
|
| 2008 | 0 | |
| 2009 | 1 |
|
| ... | ||
| 10 années | ||
| ... | ||
| 2020 | 3 |
|
| 2021 | 1 |
|
| 2022 | 3 |