| 1960 |
83%
|
| 1991 |
71%
|
| 1963 |
91%
|
| 1959 |
91%
|
| 1974 |
72%
|
| 1962 |
77%
|
| 1986 |
56%
|
| 1960 |
85%
|
| 1957 |
85%
|
| 1985 |
58%
|
| 1986 |
77%
|
| 1985 |
77%
|
| 1977 |
63%
|
| 1990 |
63%
|
| 1994 |
46%
|
