1998 |
77%
|
1974 |
85%
|
1975 |
85%
|
1976 |
85%
|
1982 |
85%
|
1979 |
85%
|
1997 |
55%
|
1986 |
75%
|
2004 |
56%
|
1980 |
66%
|
1980 |
65%
|
1984 |
67%
|
1987 |
54%
|
1985 |
53%
|
1983 |
71%
|
1966 |
81%
|
1971 |
79%
|
1994 |
57%
|
1978 |
51%
|
1966 |
58%
|
2000 |
46%
|
1980 |
66%
|
1987 |
53%
|