| 1981 |
85%
|
| 1984 |
75%
|
| 1950 |
78%
|
| 1961 |
85%
|
| 1978 |
70%
|
| 1979 |
65%
|
| 1962 |
85%
|
| 1949 |
77%
|
| 1950 |
77%
|
| 1974 |
50%
|
| 1975 |
58%
|
