2008 |
67%
|
2017 |
90%
|
1993 |
78%
|
2014 |
56%
|
1989 |
88%
|
2009 |
74%
|
1989 |
69%
|
2000 |
56%
|
1999 |
56%
|
2013 |
53%
|
2006 |
70%
|
2001 |
56%
|
2008 |
35%
|
2011 |
31%
|
2018 |
42%
|
2006 |
50%
|