1995 |
79%
|
1992 |
79%
|
1994 |
79%
|
2009 |
47%
|
1994 |
67%
|
1991 |
75%
|
1994 |
75%
|
1992 |
75%
|
1991 |
75%
|
1978 |
70%
|
1992 |
81%
|
1985 |
77%
|
1995 |
75%
|
1978 |
75%
|
1980 |
75%
|
1979 |
75%
|
1977 |
75%
|
1975 |
75%
|
1983 |
75%
|
1984 |
75%
|
1976 |
75%
|
1982 |
75%
|
1981 |
75%
|
1975 |
75%
|
1996 |
75%
|
1994 |
75%
|
1997 |
45%
|
1996 |
57%
|
1985 |
72%
|