| 1995 |
84%
|
| 1992 |
84%
|
| 1994 |
84%
|
| 1993 |
84%
|
| 1980 |
72%
|
| 1978 |
65%
|
| 1968 |
79%
|
| 1966 |
79%
|
| 1970 |
79%
|
| 1977 |
70%
|
| 1969 |
79%
|
| 1987 |
77%
|
| 1988 |
77%
|
| 1984 |
67%
|
| 1976 |
54%
|
