| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1979 | 1 |
0.6%
|
|
| 1981 | 1 |
0.6%
|
|
| 1985 | 1 |
0.6%
|
|
| 1989 | 2 |
1.3%
|
|
| 1990 | 2 |
1.3%
|
|
| 1992 | 5 |
3.2%
|
|
| 1993 | 11 |
7.1%
|
|
| 1994 | 5 |
3.2%
|
|
| 1995 | 6 |
3.9%
|
|
| 1996 | 5 |
3.2%
|
|
| 1997 | 6 |
3.9%
|
|
| 1998 | 10 |
6.5%
|
|
| 1999 | 12 |
7.7%
|
|
| 2000 | 9 |
5.8%
|
|
| 2001 | 9 |
5.8%
|
|
| 2002 | 8 |
5.2%
|
|
| 2003 | 14 |
9%
|
|
| 2004 | 9 |
5.8%
|
|
| 2005 | 8 |
5.2%
|
|
| 2006 | 8 |
5.2%
|
|
| 2007 | 12 |
7.7%
|
|
| 2008 | 9 |
5.8%
|
|
| 2009 | 2 |
1.3%
|
|
| Sysmiss | 1936 |