| 1978 |
85%
|
| 1985 |
77%
|
| 1967 |
79%
|
| 1985 |
71%
|
| 2010 |
74%
|
| 1985 |
74%
|
| 1981 |
66%
|
| 1970 |
48%
|
| 1988 |
51%
|
| 1973 |
65%
|
| 1986 |
57%
|
| 1980 |
53%
|
