1992 |
84%
|
1994 |
84%
|
1993 |
84%
|
1996 |
84%
|
1997 |
84%
|
1997 |
84%
|
1998 |
66%
|
1995 |
67%
|
1985 |
77%
|
1987 |
76%
|
1995 |
75%
|
1997 |
69%
|
1994 |
39%
|
1993 |
39%
|