| 1980 |
79%
|
| 1991 |
67%
|
| 1993 |
72%
|
| 1982 |
61%
|
| 1992 |
49%
|
| 1977 |
84%
|
| 1995 |
77%
|
| 1966 |
79%
|
| 1985 |
72%
|
| 1955 |
69%
|
| 1972 |
69%
|
| 1977 |
64%
|
| 1977 |
72%
|
