| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1956 | 1 | 1 |
0.2%
|
|
| 1963 | 1 | 1 |
0.1%
|
|
| 1964 | 3 | 2 |
0.2%
|
|
| 1965 | 1 | 1 |
0.2%
|
|
| 1966 | 1 | 0 |
0%
|
|
| 1967 | 2 | 0 |
0.1%
|
|
| 1968 | 2 | 2 |
0.2%
|
|
| 1969 | 1 | 1 |
0.2%
|
|
| 1970 | 7 | 4 |
0.5%
|
|
| 1971 | 12 | 11 |
1.5%
|
|
| 1972 | 7 | 4 |
0.6%
|
|
| 1973 | 5 | 4 |
0.5%
|
|
| 1974 | 2 | 3 |
0.4%
|
|
| 1975 | 8 | 4 |
0.6%
|
|
| 1976 | 1 | 1 |
0.2%
|
|
| 1977 | 3 | 2 |
0.3%
|
|
| 1978 | 3 | 2 |
0.2%
|
|
| 1979 | 3 | 2 |
0.2%
|
|
| 1980 | 3 | 3 |
0.3%
|
|
| 1981 | 2 | 1 |
0.1%
|
|
| 1982 | 1 | 1 |
0.2%
|
|
| 9997 | Manquante | 664 | 677 |
91.6%
|
| 9999 | NSP | 15 | 12 |
1.6%
|