| 1978 |
54%
|
| 1981 |
71%
|
| 1965 |
72%
|
| 1975 |
63%
|
| 1959 |
78%
|
| 2007 |
78%
|
| 1968 |
69%
|
| 1972 |
69%
|
| 1970 |
69%
|
| 1975 |
73%
|
