| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1960 | 860 |
2.5%
|
|
| 1961 | 881 |
2.6%
|
|
| 1962 | 981 |
2.9%
|
|
| 1963 | 1027 |
3%
|
|
| 1964 | 975 |
2.9%
|
|
| 1965 | 1071 |
3.2%
|
|
| 1966 | 982 |
2.9%
|
|
| 1967 | 976 |
2.9%
|
|
| 1968 | 865 |
2.5%
|
|
| 1969 | 1092 |
3.2%
|
|
| 1970 | 1078 |
3.2%
|
|
| 1971 | 1015 |
3%
|
|
| 1972 | 1176 |
3.5%
|
|
| 1973 | 1169 |
3.4%
|
|
| 1974 | 1108 |
3.3%
|
|
| 1975 | 1038 |
3.1%
|
|
| 1976 | 1052 |
3.1%
|
|
| 1977 | 1098 |
3.2%
|
|
| 1978 | 1108 |
3.3%
|
|
| 1979 | 930 |
2.7%
|
|
| 1980 | 947 |
2.8%
|
|
| 1981 | 1027 |
3%
|
|
| 1982 | 1091 |
3.2%
|
|
| 1983 | 1013 |
3%
|
|
| 1984 | 934 |
2.8%
|
|
| 1985 | 870 |
2.6%
|
|
| 1986 | 850 |
2.5%
|
|
| 1987 | 833 |
2.5%
|
|
| 1988 | 816 |
2.4%
|
|
| 1989 | 543 |
1.6%
|
|
| 1990 | 478 |
1.4%
|
|
| 1991 | 561 |
1.7%
|
|
| 1992 | 462 |
1.4%
|
|
| 1993 | 467 |
1.4%
|
|
| 1994 | 406 |
1.2%
|
|
| 1995 | 362 |
1.1%
|
|
| 1996 | 371 |
1.1%
|
|
| 1997 | 288 |
0.8%
|
|
| 1998 | 335 |
1%
|
|
| 1999 | 284 |
0.8%
|
|
| 2000 | 218 |
0.6%
|
|
| 2001 | 289 |
0.9%
|