2009 |
86%
|
2010 |
86%
|
2011 |
86%
|
2008 |
86%
|
2002 |
72%
|
1995 |
86%
|
2003 |
61%
|
1981 |
85%
|
1983 |
75%
|
1984 |
75%
|
1979 |
61%
|
1995 |
56%
|
1980 |
70%
|
1978 |
70%
|
1968 |
79%
|
1980 |
68%
|
1979 |
37%
|
2005 |
63%
|
1991 |
58%
|