| 1964 |
78%
|
| 1981 |
66%
|
| 1960 |
85%
|
| 1978 |
45%
|
| 1972 |
79%
|
| 1963 |
85%
|
| 1956 |
77%
|
| 2011 |
76%
|
| 1963 |
60%
|
| 1972 |
37%
|
