| 1977 |
64%
|
| 1975 |
69%
|
| 1966 |
74%
|
| 1964 |
74%
|
| 1965 |
74%
|
| 1968 |
54%
|
| 1985 |
37%
|
| 1987 |
53%
|
| 1976 |
33%
|
| 2001 |
73%
|
| 2018 |
47%
|
