| 1984 |
78%
|
| 1996 |
64%
|
| 1992 |
90%
|
| 1997 |
84%
|
| 1999 |
81%
|
| 1999 |
81%
|
| 1988 |
65%
|
| 1996 |
80%
|
| 1995 |
80%
|
| 1997 |
56%
|
| 1967 |
79%
|
| 1983 |
71%
|
| 1979 |
78%
|
| 1996 |
57%
|
| 1977 |
59%
|
