| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1980 | 1 |
14.3%
|
|
| 1982 | 1 |
14.3%
|
|
| 1984 | 1 |
14.3%
|
|
| 1985 | 1 |
14.3%
|
|
| 1987 | 1 |
14.3%
|
|
| 1991 | 2 |
28.6%
|
|
| Sysmiss | 17080 |