| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1978 | 1 |
4.5%
|
|
| 1980 | 3 |
13.6%
|
|
| 1982 | 3 |
13.6%
|
|
| 1983 | 3 |
13.6%
|
|
| 1984 | 3 |
13.6%
|
|
| 1985 | 1 |
4.5%
|
|
| 1986 | 1 |
4.5%
|
|
| 1987 | 1 |
4.5%
|
|
| 1988 | 2 |
9.1%
|
|
| 1989 | 2 |
9.1%
|
|
| 1992 | 2 |
9.1%
|
|
| Sysmiss | 17065 |