2012 |
66%
|
2004 |
65%
|
1972 |
72%
|
1978 |
59%
|
1986 |
56%
|
1996 |
56%
|
2000 |
56%
|
1993 |
56%
|
1997 |
56%
|
1993 |
56%
|
1994 |
56%
|
1995 |
56%
|
1998 |
56%
|
1999 |
56%
|
1984 |
54%
|
1983 |
63%
|
1985 |
54%
|
1994 |
77%
|
1992 |
51%
|
1985 |
60%
|
1985 |
53%
|
1990 |
49%
|
1986 |
51%
|
1988 |
48%
|
1982 |
54%
|
1980 |
50%
|
2014 |
74%
|
1981 |
55%
|
1988 |
52%
|
1991 |
53%
|
1979 |
51%
|
1994 |
47%
|
1978 |
51%
|
1977 |
43%
|
1968 |
54%
|
1982 |
55%
|
1996 |
36%
|
2000 |
46%
|
2005 |
48%
|
2019 |
63%
|
2005 |
54%
|
1998 |
52%
|
1998 |
79%
|
2002 |
42%
|
2009 |
74%
|
1991 |
69%
|
1974 |
42%
|
1999 |
59%
|
1986 |
56%
|
1973 |
45%
|
1995 |
67%
|
2010 |
65%
|