| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1981 | 1 |
7.1%
|
|
| 1991 | 3 |
21.4%
|
|
| 1994 | 2 |
14.3%
|
|
| 1995 | 1 |
7.1%
|
|
| 1996 | 1 |
7.1%
|
|
| 1999 | 2 |
14.3%
|
|
| 2000 | 1 |
7.1%
|
|
| 2001 | 1 |
7.1%
|
|
| 2002 | 1 |
7.1%
|
|
| 2003 | 1 |
7.1%
|
|
| Sysmiss | 5140 |