| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1970 | 2 |
0.2%
|
|
| 1978 | 1 |
0.1%
|
|
| 1988 | 1 |
0.1%
|
|
| 1990 | 2 |
0.2%
|
|
| 1992 | 1 |
0.1%
|
|
| 1994 | 3 |
0.2%
|
|
| 1995 | 1 |
0.1%
|
|
| 1996 | 4 |
0.3%
|
|
| 1997 | 6 |
0.5%
|
|
| 1998 | 4 |
0.3%
|
|
| 1999 | 3 |
0.2%
|
|
| 2000 | 3 |
0.2%
|
|
| 2001 | 4 |
0.3%
|
|
| 9999 | 1 |
0.1%
|
|
| Sysmiss | 1248 |