1995 |
79%
|
1986 |
86%
|
2008 |
78%
|
2006 |
78%
|
2014 |
57%
|
1995 |
75%
|
2013 |
57%
|
1987 |
69%
|
1986 |
52%
|
1989 |
63%
|
1986 |
64%
|
1990 |
70%
|
1987 |
71%
|
1991 |
68%
|