1986 |
76%
|
1984 |
63%
|
1987 |
65%
|
1961 |
91%
|
1983 |
75%
|
1995 |
52%
|
2000 |
77%
|
1993 |
67%
|
1960 |
85%
|
1985 |
54%
|
1990 |
67%
|
1991 |
67%
|
1988 |
77%
|
1972 |
79%
|
1972 |
79%
|
1962 |
85%
|
2000 |
52%
|
1996 |
33%
|
1987 |
57%
|
2000 |
36%
|
1977 |
72%
|
1961 |
71%
|
1949 |
68%
|