| Valeur | Modalité | Cas | |
|---|---|---|---|
| 2008 | 2 |
0%
|
|
| 2009 | 5 |
0.1%
|
|
| 2010 | 23 |
0.3%
|
|
| 2011 | 72 |
0.8%
|
|
| 2012 | 24 |
0.3%
|
|
| Sysmiss | 8977 |