1989 |
79%
|
1988 |
79%
|
1991 |
79%
|
1992 |
79%
|
1993 |
79%
|
1990 |
79%
|
1991 |
44%
|
2005 |
64%
|
1986 |
64%
|
2005 |
64%
|
2005 |
64%
|
2005 |
63%
|
2005 |
63%
|
2005 |
63%
|
1991 |
65%
|
1997 |
51%
|