| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1958 | 2 |
1.5%
|
|
| 1960 | 1 |
0.8%
|
|
| 1965 | 1 |
0.8%
|
|
| 1969 | 3 |
2.3%
|
|
| 1972 | 1 |
0.8%
|
|
| 1973 | 1 |
0.8%
|
|
| 1974 | 1 |
0.8%
|
|
| 1980 | 1 |
0.8%
|
|
| 1981 | 1 |
0.8%
|
|
| 1982 | 1 |
0.8%
|
|
| 1983 | 2 |
1.5%
|
|
| 1989 | 1 |
0.8%
|
|
| 1990 | 1 |
0.8%
|
|
| 1992 | 1 |
0.8%
|
|
| 1993 | 3 |
2.3%
|
|
| 1996 | 1 |
0.8%
|
|
| 1997 | 3 |
2.3%
|
|
| 1998 | 3 |
2.3%
|
|
| 9998 | don't know | 102 |
78.5%
|
| Sysmiss | 6315 |