1995 |
84%
|
1992 |
84%
|
1994 |
84%
|
1979 |
71%
|
1982 |
71%
|
1984 |
71%
|
1980 |
65%
|
1984 |
67%
|
1981 |
71%
|
1955 |
56%
|
1959 |
57%
|
1990 |
55%
|
1992 |
76%
|
1990 |
46%
|
1988 |
51%
|
1986 |
52%
|
1989 |
48%
|