1985 |
65%
|
1986 |
71%
|
1986 |
53%
|
1985 |
69%
|
1986 |
51%
|
1990 |
45%
|
1991 |
68%
|
1983 |
62%
|
1991 |
67%
|
1992 |
66%
|
1989 |
95%
|
1992 |
71%
|
1989 |
71%
|
1989 |
67%
|
1991 |
71%
|
1990 |
78%
|
1990 |
--
|