2011 |
65%
|
2013 |
70%
|
2012 |
63%
|
2009 |
59%
|
1984 |
75%
|
1993 |
56%
|
1988 |
77%
|
1986 |
77%
|
1987 |
76%
|
1989 |
76%
|
1990 |
76%
|
1986 |
76%
|
1987 |
76%
|
1985 |
68%
|
2002 |
70%
|