| 1961 |
91%
|
| 1985 |
78%
|
| 1983 |
75%
|
| 1960 |
85%
|
| 1980 |
65%
|
| 1970 |
79%
|
| 1976 |
75%
|
| 1977 |
70%
|
| 1978 |
70%
|
| 1963 |
82%
|
| 1989 |
54%
|
| 1962 |
85%
|
| 1983 |
66%
|
| 1960 |
78%
|
| 1992 |
43%
|
| 1960 |
76%
|
