| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1973 | 1 |
0.8%
|
|
| 1980 | 1 |
0.8%
|
|
| 1987 | 1 |
0.8%
|
|
| 1988 | 3 |
2.4%
|
|
| 1989 | 2 |
1.6%
|
|
| 1991 | 1 |
0.8%
|
|
| 1992 | 1 |
0.8%
|
|
| 1993 | 4 |
3.2%
|
|
| 1994 | 3 |
2.4%
|
|
| 1995 | 3 |
2.4%
|
|
| 1997 | 2 |
1.6%
|
|
| 1998 | 3 |
2.4%
|
|
| 1999 | 1 |
0.8%
|
|
| 2000 | 9 |
7.2%
|
|
| 2001 | 7 |
5.6%
|
|
| 2002 | 10 |
8%
|
|
| 2003 | 5 |
4%
|
|
| 2004 | 8 |
6.4%
|
|
| 2005 | 15 |
12%
|
|
| 2006 | 7 |
5.6%
|
|
| 2007 | 14 |
11.2%
|
|
| 2008 | 16 |
12.8%
|
|
| 2009 | 8 |
6.4%
|
|
| Sysmiss | 1955 |