| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1970 | 4 |
0%
|
|
| 1972 | 5 |
0.1%
|
|
| 1973 | 13 |
0.1%
|
|
| 1974 | 32 |
0.3%
|
|
| 1975 | 38 |
0.4%
|
|
| 1976 | 68 |
0.7%
|
|
| 1977 | 92 |
1%
|
|
| 1978 | 143 |
1.5%
|
|
| 1979 | 146 |
1.6%
|
|
| 1980 | 203 |
2.2%
|
|
| 1981 | 229 |
2.4%
|
|
| 1982 | 272 |
2.9%
|
|
| 1983 | 283 |
3%
|
|
| 1984 | 324 |
3.5%
|
|
| 1985 | 325 |
3.5%
|
|
| 1986 | 329 |
3.5%
|
|
| 1987 | 374 |
4%
|
|
| 1988 | 390 |
4.2%
|
|
| 1989 | 381 |
4.1%
|
|
| 1990 | 381 |
4.1%
|
|
| 1991 | 429 |
4.6%
|
|
| 1992 | 406 |
4.3%
|
|
| 1993 | 403 |
4.3%
|
|
| 1994 | 364 |
3.9%
|
|
| 1995 | 392 |
4.2%
|
|
| 1996 | 403 |
4.3%
|
|
| 1997 | 382 |
4.1%
|
|
| 1998 | 449 |
4.8%
|
|
| 1999 | 372 |
4%
|
|
| 2000 | 397 |
4.2%
|
|
| 2001 | 355 |
3.8%
|
|
| 2002 | 377 |
4%
|
|
| 2003 | 365 |
3.9%
|
|
| 2004 | 257 |
2.7%
|