1993 |
79%
|
1992 |
79%
|
1994 |
79%
|
1997 |
67%
|
1996 |
67%
|
1992 |
75%
|
1991 |
71%
|
1993 |
71%
|
1992 |
71%
|
1992 |
71%
|
1994 |
75%
|
1995 |
75%
|