| 1989 |
68%
|
| 1987 |
63%
|
| 1988 |
60%
|
| 1989 |
54%
|
| 1995 |
53%
|
| 1971 |
63%
|
| 1984 |
61%
|
| 1971 |
79%
|
| 1969 |
79%
|
| 1972 |
79%
|
| 1991 |
64%
|
| 2006 |
74%
|
| 1988 |
55%
|
| 1972 |
55%
|
