1983 |
83%
|
1982 |
67%
|
1994 |
35%
|
1986 |
54%
|
1987 |
72%
|
1985 |
61%
|
1982 |
65%
|
1988 |
55%
|
1992 |
68%
|
1986 |
59%
|
2011 |
28%
|