| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1973 | 1 |
0%
|
|
| 1975 | 2 |
0.1%
|
|
| 1976 | 16 |
0.6%
|
|
| 1977 | 19 |
0.7%
|
|
| 1978 | 15 |
0.5%
|
|
| 1979 | 28 |
1%
|
|
| 1980 | 34 |
1.2%
|
|
| 1981 | 35 |
1.2%
|
|
| 1982 | 48 |
1.7%
|
|
| 1983 | 42 |
1.5%
|
|
| 1984 | 71 |
2.5%
|
|
| 1985 | 68 |
2.4%
|
|
| 1986 | 67 |
2.3%
|
|
| 1987 | 70 |
2.4%
|
|
| 1988 | 77 |
2.7%
|
|
| 1989 | 77 |
2.7%
|
|
| 1990 | 63 |
2.2%
|
|
| 1991 | 66 |
2.3%
|
|
| 1992 | 74 |
2.6%
|
|
| 1993 | 81 |
2.8%
|
|
| 1994 | 79 |
2.8%
|
|
| 1995 | 78 |
2.7%
|
|
| 1996 | 84 |
2.9%
|
|
| 1997 | 71 |
2.5%
|
|
| 1998 | 87 |
3%
|
|
| 1999 | 85 |
3%
|
|
| 2000 | 84 |
2.9%
|
|
| 2001 | 89 |
3.1%
|
|
| 2002 | 90 |
3.1%
|
|
| 2003 | 74 |
2.6%
|
|
| 2004 | 89 |
3.1%
|
|
| Sysmiss | 998 |