2007 |
71%
|
2016 |
80%
|
1997 |
75%
|
1988 |
71%
|
1991 |
78%
|
2001 |
64%
|
2013 |
72%
|
2016 |
84%
|
2014 |
75%
|
2007 |
42%
|
2007 |
32%
|
2009 |
60%
|
2015 |
78%
|
2011 |
76%
|
2023 |
25%
|
2024 |
31%
|