1989 |
79%
|
1987 |
79%
|
1988 |
79%
|
1991 |
79%
|
1992 |
79%
|
1994 |
79%
|
1990 |
79%
|
1993 |
79%
|
1996 |
79%
|
1995 |
79%
|
1997 |
64%
|
1999 |
64%
|
2001 |
64%
|
2000 |
64%
|
1998 |
64%
|
1993 |
64%
|
1995 |
64%
|
1994 |
64%
|
1991 |
65%
|