| Valeur | Modalité | Cas | |
|---|---|---|---|
| 1943 | 21 |
1.7%
|
|
| 1944 | 18 |
1.5%
|
|
| 1945 | 24 |
2%
|
|
| 1946 | 23 |
1.9%
|
|
| 1947 | 22 |
1.8%
|
|
| 1948 | 19 |
1.6%
|
|
| 1949 | 25 |
2.1%
|
|
| 1950 | 23 |
1.9%
|
|
| 1951 | 27 |
2.2%
|
|
| 1952 | 25 |
2.1%
|
|
| 1953 | 28 |
2.3%
|
|
| 1954 | 27 |
2.2%
|
|
| 1955 | 37 |
3.1%
|
|
| 1956 | 22 |
1.8%
|
|
| 1957 | 33 |
2.7%
|
|
| 1958 | 30 |
2.5%
|
|
| 1959 | 42 |
3.5%
|
|
| 1960 | 41 |
3.4%
|
|
| 1961 | 43 |
3.5%
|
|
| 1962 | 36 |
3%
|
|
| 1963 | 56 |
4.6%
|
|
| 1964 | 46 |
3.8%
|
|
| 1965 | 54 |
4.5%
|
|
| 1966 | 47 |
3.9%
|
|
| 1967 | 36 |
3%
|
|
| 1968 | 40 |
3.3%
|
|
| 1969 | 43 |
3.5%
|
|
| 1970 | 35 |
2.9%
|
|
| 1971 | 38 |
3.1%
|
|
| 1972 | 35 |
2.9%
|
|
| 1973 | 29 |
2.4%
|
|
| 1974 | 34 |
2.8%
|
|
| 1975 | 27 |
2.2%
|
|
| 1976 | 25 |
2.1%
|
|
| 1977 | 15 |
1.2%
|
|
| 1978 | 17 |
1.4%
|
|
| 1979 | 27 |
2.2%
|
|
| 1980 | 14 |
1.2%
|
|
| 1981 | 18 |
1.5%
|
|
| 1982 | 11 |
0.9%
|