1998 |
83%
|
2006 |
86%
|
2007 |
84%
|
2009 |
73%
|
2010 |
73%
|
2009 |
84%
|
2019 |
84%
|
2018 |
84%
|
2011 |
84%
|
2015 |
84%
|
2017 |
84%
|
2016 |
84%
|
1997 |
62%
|
2004 |
63%
|
1999 |
86%
|
2007 |
53%
|
2005 |
73%
|
2003 |
59%
|
1990 |
80%
|
2001 |
50%
|
2015 |
70%
|
1987 |
54%
|
1989 |
44%
|
2008 |
69%
|
1990 |
55%
|