| 1992 |
90%
|
| 1994 |
90%
|
| 1991 |
74%
|
| 1996 |
84%
|
| 1994 |
84%
|
| 1995 |
84%
|
| 1997 |
84%
|
| 1985 |
80%
|
| 1986 |
80%
|
| 1984 |
75%
|
| 1983 |
75%
|
| 1981 |
60%
|
| 1987 |
76%
|
| 1989 |
76%
|
| 1985 |
68%
|
| 1986 |
68%
|
| 1994 |
67%
|
| 1992 |
67%
|
| 1985 |
72%
|
| 1991 |
83%
|
| 1992 |
83%
|
| 1981 |
69%
|
| 1991 |
63%
|
| 1992 |
63%
|
| 1985 |
66%
|
| 1989 |
48%
|
| 1993 |
39%
|
| 1983 |
54%
|
