1996 |
79%
|
1983 |
80%
|
1984 |
80%
|
1993 |
63%
|
1981 |
69%
|
1981 |
75%
|
1989 |
63%
|
1979 |
57%
|
1986 |
61%
|
1985 |
61%
|
1992 |
--
|