2011 |
84%
|
2016 |
77%
|
2013 |
77%
|
2015 |
77%
|
2012 |
77%
|
2020 |
65%
|
2010 |
75%
|
2011 |
54%
|
2018 |
74%
|
2018 |
76%
|
2016 |
77%
|
2013 |
75%
|
2006 |
77%
|
2004 |
77%
|
2005 |
77%
|
1997 |
77%
|
1988 |
77%
|
2011 |
34%
|