1993 |
82%
|
1991 |
69%
|
2012 |
84%
|
2010 |
84%
|
1993 |
90%
|
1989 |
51%
|
1986 |
50%
|
1994 |
73%
|
1985 |
77%
|
1984 |
71%
|
1994 |
67%
|
1992 |
67%
|
1993 |
67%
|
2010 |
86%
|
1994 |
56%
|
1989 |
51%
|