| 1964 |
65%
|
| 1968 |
64%
|
| 1991 |
65%
|
| 1967 |
52%
|
| 1992 |
61%
|
| 2000 |
60%
|
| 1967 |
55%
|
| 1975 |
68%
|
| 2005 |
39%
|
| 1985 |
80%
|
