2019 |
76%
|
2016 |
71%
|
1992 |
90%
|
2018 |
64%
|
2012 |
79%
|
2013 |
83%
|
1989 |
79%
|
1987 |
79%
|
1988 |
79%
|
1991 |
79%
|
1992 |
79%
|
1994 |
79%
|
1990 |
79%
|
1993 |
79%
|
1996 |
79%
|
1995 |
79%
|
1995 |
84%
|
1997 |
84%
|
1999 |
81%
|
2007 |
65%
|
1985 |
80%
|
1986 |
80%
|
2008 |
69%
|
1997 |
84%
|
1998 |
84%
|
1998 |
71%
|
2013 |
79%
|
2015 |
79%
|
2017 |
79%
|
2006 |
74%
|
1996 |
70%
|
1996 |
70%
|
1995 |
70%
|
1987 |
76%
|
2013 |
64%
|
2014 |
60%
|
1985 |
74%
|
1987 |
74%
|
1988 |
74%
|
2008 |
67%
|
2009 |
67%
|
2007 |
67%
|
1987 |
58%
|
1986 |
58%
|
1989 |
48%
|