| 1993 |
84%
|
| 1981 |
69%
|
| 1979 |
62%
|
| 1996 |
76%
|
| 1991 |
73%
|
| 1989 |
63%
|
| 1982 |
57%
|
| 1988 |
77%
|
| 1994 |
55%
|
| 1990 |
70%
|
| 1980 |
51%
|
| 1994 |
75%
|
| 1991 |
66%
|
| 1988 |
60%
|
| 1990 |
62%
|
| 1991 |
41%
|
