1986 |
72%
|
1985 |
80%
|
1987 |
80%
|
1986 |
80%
|
1984 |
80%
|
1996 |
69%
|
1995 |
69%
|
1997 |
69%
|
1987 |
70%
|
1986 |
77%
|
1985 |
77%
|
1985 |
74%
|
1987 |
74%
|
1988 |
74%
|
1992 |
73%
|
1993 |
73%
|
1984 |
79%
|
1994 |
71%
|