| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1977 | 3 |
5.4%
|
|
| 1978 | 2 |
3.6%
|
|
| 1979 | 1 |
1.8%
|
|
| 1980 | 5 |
8.9%
|
|
| 1981 | 5 |
8.9%
|
|
| 1982 | 4 |
7.1%
|
|
| 1983 | 5 |
8.9%
|
|
| 1984 | 6 |
10.7%
|
|
| 1985 | 3 |
5.4%
|
|
| 1986 | 5 |
8.9%
|
|
| 1987 | 1 |
1.8%
|
|
| 1988 | 5 |
8.9%
|
|
| 1989 | 4 |
7.1%
|
|
| 1990 | 3 |
5.4%
|
|
| 1991 | 2 |
3.6%
|
|
| 1993 | 1 |
1.8%
|
|
| 1995 | 1 |
1.8%
|
|
| Sysmiss | 17031 |