1996 |
74%
|
1984 |
79%
|
1997 |
63%
|
2006 |
73%
|
2011 |
65%
|
2000 |
55%
|
2001 |
72%
|
2005 |
59%
|
2003 |
60%
|
2010 |
46%
|
2009 |
65%
|
1987 |
65%
|
1985 |
52%
|
2006 |
72%
|
2007 |
48%
|
1994 |
67%
|
1988 |
56%
|
1991 |
45%
|
1989 |
51%
|
2007 |
55%
|
2019 |
70%
|
2015 |
70%
|
2016 |
70%
|
1972 |
58%
|
1991 |
65%
|
1977 |
56%
|
2000 |
43%
|
2005 |
44%
|
2005 |
64%
|
2006 |
45%
|
1988 |
65%
|
1997 |
62%
|
1995 |
46%
|
2010 |
47%
|
1989 |
51%
|
1982 |
49%
|
2006 |
49%
|
1993 |
60%
|
1986 |
77%
|
1985 |
77%
|
1986 |
55%
|
1985 |
38%
|
2005 |
67%
|
1981 |
55%
|
2010 |
86%
|
2006 |
67%
|
1988 |
62%
|
1989 |
62%
|
2013 |
85%
|
1998 |
31%
|
2000 |
72%
|
1985 |
45%
|
1995 |
38%
|
2004 |
59%
|
2011 |
64%
|
1993 |
66%
|
1986 |
65%
|
1986 |
67%
|
1989 |
67%
|