| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1976 | 1 |
0.8%
|
|
| 1977 | 2 |
1.6%
|
|
| 1978 | 1 |
0.8%
|
|
| 1979 | 2 |
1.6%
|
|
| 1980 | 5 |
4%
|
|
| 1981 | 5 |
4%
|
|
| 1982 | 13 |
10.4%
|
|
| 1983 | 13 |
10.4%
|
|
| 1984 | 8 |
6.4%
|
|
| 1985 | 13 |
10.4%
|
|
| 1986 | 8 |
6.4%
|
|
| 1987 | 7 |
5.6%
|
|
| 1988 | 12 |
9.6%
|
|
| 1989 | 7 |
5.6%
|
|
| 1990 | 16 |
12.8%
|
|
| 1991 | 3 |
2.4%
|
|
| 1992 | 6 |
4.8%
|
|
| 1993 | 1 |
0.8%
|
|
| 1994 | 2 |
1.6%
|
|
| Sysmiss | 4963 |