| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1945 | 1 |
0.3%
|
|
| 1955 | 1 |
0.3%
|
|
| 1961 | 1 |
0.3%
|
|
| 1962 | 1 |
0.3%
|
|
| 1964 | 1 |
0.3%
|
|
| 1966 | 2 |
0.5%
|
|
| 1971 | 1 |
0.3%
|
|
| 1974 | 2 |
0.5%
|
|
| 1975 | 2 |
0.5%
|
|
| 1976 | 3 |
0.8%
|
|
| 1981 | 5 |
1.3%
|
|
| 1983 | 4 |
1.1%
|
|
| 1986 | 2 |
0.5%
|
|
| 1987 | 1 |
0.3%
|
|
| 1988 | 3 |
0.8%
|
|
| 1989 | 2 |
0.5%
|
|
| 1990 | 6 |
1.6%
|
|
| 1991 | 4 |
1.1%
|
|
| 1992 | 3 |
0.8%
|
|
| 1993 | 6 |
1.6%
|
|
| 1994 | 3 |
0.8%
|
|
| 1995 | 5 |
1.3%
|
|
| 1996 | 8 |
2.1%
|
|
| 1997 | 5 |
1.3%
|
|
| 1998 | 8 |
2.1%
|
|
| 9998 | don't know | 296 |
78.7%
|
| Sysmiss | 6069 |