2004 |
60%
|
2011 |
55%
|
2008 |
73%
|
2006 |
71%
|
1995 |
77%
|
1997 |
58%
|
2009 |
47%
|
2016 |
59%
|
2002 |
60%
|
1983 |
56%
|