1982 |
70%
|
1983 |
70%
|
1983 |
75%
|
1985 |
75%
|
1967 |
75%
|
1988 |
65%
|
1995 |
56%
|
1967 |
74%
|
1981 |
71%
|
1985 |
67%
|
1985 |
77%
|
1971 |
79%
|
1972 |
79%
|
1970 |
79%
|
1992 |
71%
|
1981 |
71%
|
1982 |
71%
|
1988 |
55%
|
1942 |
61%
|
1974 |
84%
|
1974 |
70%
|
1964 |
85%
|
1996 |
46%
|
1973 |
49%
|
1975 |
63%
|
1979 |
66%
|
1989 |
41%
|
1987 |
53%
|
1970 |
48%
|
1979 |
59%
|
2003 |
32%
|
1972 |
28%
|
1972 |
55%
|
1971 |
50%
|
1991 |
22%
|
1993 |
20%
|
1985 |
46%
|
2008 |
35%
|
1970 |
49%
|
2008 |
50%
|
1993 |
19%
|
2003 |
60%
|
2001 |
36%
|
1995 |
39%
|
1999 |
68%
|
1998 |
60%
|