| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1977 | 1 |
3.8%
|
|
| 1986 | 1 |
3.8%
|
|
| 1998 | 1 |
3.8%
|
|
| 2004 | 2 |
7.7%
|
|
| 2005 | 2 |
7.7%
|
|
| 2006 | 1 |
3.8%
|
|
| 2007 | 1 |
3.8%
|
|
| 2008 | 3 |
11.5%
|
|
| 2009 | 6 |
23.1%
|
|
| 2010 | 3 |
11.5%
|
|
| 2011 | 5 |
19.2%
|
|
| Sysmiss | 9077 |