2012 |
57%
|
2015 |
56%
|
2010 |
33%
|
2014 |
65%
|
2008 |
69%
|
2018 |
35%
|
2016 |
59%
|
1987 |
65%
|
1985 |
56%
|
1987 |
62%
|
1988 |
72%
|
1997 |
63%
|
2008 |
62%
|
1987 |
65%
|
1987 |
56%
|
1988 |
56%
|
1990 |
65%
|
1988 |
57%
|
2005 |
66%
|
1987 |
53%
|
2013 |
67%
|
1984 |
65%
|
1987 |
60%
|
2014 |
56%
|
2011 |
61%
|
2009 |
69%
|
2011 |
60%
|
2006 |
48%
|
1990 |
64%
|
2011 |
67%
|
1995 |
69%
|
2009 |
72%
|
1988 |
63%
|
2009 |
68%
|
1995 |
44%
|
2005 |
68%
|
1991 |
42%
|
1988 |
59%
|
1997 |
60%
|
2015 |
71%
|
2009 |
67%
|
2012 |
49%
|
1990 |
63%
|
1995 |
55%
|
1992 |
54%
|
2016 |
68%
|
2008 |
82%
|
2013 |
70%
|
2016 |
62%
|
2010 |
52%
|
2017 |
--
|
2008 |
--
|
2016 |
--
|
2019 |
--
|
2008 |
--
|
2020 |
--
|
2006 |
--
|
1987 |
--
|
1998 |
--
|
2009 |
--
|
1988 |
--
|
2008 |
--
|
1989 |
--
|
1992 |
--
|
2010 |
--
|