| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1987 | 1 |
0.6%
|
|
| 1989 | 3 |
1.9%
|
|
| 1991 | 2 |
1.2%
|
|
| 1992 | 2 |
1.2%
|
|
| 1993 | 2 |
1.2%
|
|
| 1994 | 4 |
2.5%
|
|
| 1995 | 3 |
1.9%
|
|
| 1996 | 3 |
1.9%
|
|
| 1997 | 1 |
0.6%
|
|
| 1998 | 5 |
3.1%
|
|
| 1999 | 3 |
1.9%
|
|
| 2000 | 8 |
4.9%
|
|
| 2001 | 4 |
2.5%
|
|
| 2002 | 5 |
3.1%
|
|
| 2003 | 9 |
5.6%
|
|
| 2004 | 11 |
6.8%
|
|
| 2005 | 20 |
12.3%
|
|
| 2006 | 16 |
9.9%
|
|
| 2007 | 19 |
11.7%
|
|
| 2008 | 18 |
11.1%
|
|
| 2009 | 8 |
4.9%
|
|
| 2010 | 11 |
6.8%
|
|
| 2011 | 4 |
2.5%
|
|
| Sysmiss | 8830 |