1989 |
64%
|
1992 |
90%
|
1990 |
66%
|
1976 |
74%
|
1978 |
85%
|
2000 |
67%
|
1996 |
69%
|
1995 |
69%
|
1997 |
69%
|
1985 |
77%
|
1992 |
72%
|
1995 |
43%
|
1987 |
60%
|
1997 |
52%
|
1996 |
67%
|
1997 |
69%
|
1985 |
77%
|
1993 |
78%
|
1991 |
56%
|
1992 |
56%
|
2016 |
66%
|
1994 |
39%
|
1993 |
39%
|