2002 |
74%
|
1979 |
63%
|
1997 |
62%
|
1988 |
64%
|
1994 |
56%
|
1998 |
55%
|
2016 |
49%
|
1990 |
42%
|
2007 |
47%
|
2018 |
94%
|
2012 |
45%
|
2005 |
41%
|
2006 |
35%
|
2008 |
31%
|
2009 |
35%
|
2009 |
70%
|
2005 |
63%
|
2020 |
68%
|