1999 |
81%
|
2000 |
81%
|
1999 |
81%
|
1977 |
64%
|
1999 |
77%
|
1988 |
62%
|
1988 |
77%
|
1993 |
38%
|
1993 |
40%
|
1993 |
39%
|
1993 |
40%
|
1993 |
40%
|
1993 |
42%
|
1993 |
39%
|