1999 |
92%
|
1984 |
72%
|
1986 |
63%
|
2000 |
73%
|
1989 |
57%
|
2000 |
67%
|
1989 |
48%
|
1990 |
62%
|
1988 |
55%
|
2013 |
53%
|
2003 |
39%
|