| 1991 |
71%
|
| 1971 |
63%
|
| 1990 |
72%
|
| 1953 |
66%
|
| 1983 |
72%
|
| 1982 |
72%
|
| 1981 |
72%
|
| 1966 |
72%
|
| 1963 |
72%
|
| 1981 |
69%
|
| 1981 |
75%
|
| 1969 |
61%
|
