| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1974 | 1 |
2.2%
|
|
| 1994 | 1 |
2.2%
|
|
| 1998 | 1 |
2.2%
|
|
| 1999 | 3 |
6.7%
|
|
| 2000 | 2 |
4.4%
|
|
| 2001 | 1 |
2.2%
|
|
| 2002 | 3 |
6.7%
|
|
| 2003 | 2 |
4.4%
|
|
| 2004 | 2 |
4.4%
|
|
| 2005 | 4 |
8.9%
|
|
| 2006 | 7 |
15.6%
|
|
| 2007 | 5 |
11.1%
|
|
| 2008 | 10 |
22.2%
|
|
| 2009 | 3 |
6.7%
|
|
| Sysmiss | 2035 |