| 1955 |
85%
|
| 1956 |
85%
|
| 1968 |
74%
|
| 2016 |
78%
|
| 1965 |
78%
|
| 1964 |
78%
|
| 1968 |
81%
|
| 1969 |
79%
|
| 1974 |
84%
|
| 1964 |
85%
|
| 1972 |
69%
|
| 1970 |
69%
|
| 1972 |
55%
|
| 1979 |
54%
|
| 1986 |
43%
|
