1988 |
70%
|
1990 |
76%
|
1989 |
71%
|
2005 |
84%
|
1989 |
66%
|
1990 |
71%
|
2004 |
81%
|
2010 |
78%
|
2014 |
77%
|
2006 |
77%
|
2010 |
59%
|
1990 |
69%
|
1989 |
--
|
1989 |
--
|