2002 |
67%
|
2007 |
75%
|
2008 |
75%
|
1996 |
57%
|
2008 |
60%
|
1986 |
66%
|
2000 |
67%
|
2008 |
59%
|
1991 |
49%
|
2000 |
56%
|
1985 |
77%
|
1996 |
75%
|
2006 |
65%
|
2013 |
85%
|
2007 |
49%
|
1989 |
51%
|