| 1996 |
84%
|
| 1995 |
84%
|
| 1992 |
84%
|
| 1994 |
84%
|
| 1993 |
84%
|
| 1991 |
73%
|
| 1989 |
73%
|
| 1990 |
73%
|
| 1991 |
73%
|
| 1967 |
73%
|
| 1968 |
73%
|
| 1970 |
73%
|
| 1989 |
60%
|
| 1999 |
75%
|
| 1990 |
63%
|
| 1988 |
56%
|
| 1988 |
56%
|
| 1995 |
56%
|
| 1966 |
65%
|
| 1988 |
60%
|
| 1987 |
60%
|
| 1990 |
62%
|
| 1988 |
36%
|
