| 1961 |
91%
|
| 1986 |
75%
|
| 1995 |
67%
|
| 2016 |
78%
|
| 1964 |
78%
|
| 1981 |
70%
|
| 1978 |
65%
|
| 1980 |
65%
|
| 1982 |
51%
|
| 1985 |
77%
|
| 1976 |
65%
|
| 1975 |
70%
|
| 1980 |
53%
|
