| 1977 |
86%
|
| 1980 |
87%
|
| 1980 |
84%
|
| 1968 |
75%
|
| 1964 |
78%
|
| 1978 |
67%
|
| 1976 |
74%
|
| 1980 |
68%
|
| 1980 |
65%
|
| 1985 |
61%
|
| 1975 |
65%
|
| 2006 |
76%
|
| 1999 |
38%
|
