2012 |
57%
|
2000 |
66%
|
1977 |
48%
|
1981 |
63%
|
1980 |
56%
|
1990 |
65%
|
1981 |
68%
|
1987 |
65%
|
1990 |
59%
|
1986 |
56%
|
1991 |
69%
|
1988 |
72%
|
1997 |
63%
|
1986 |
71%
|
1991 |
68%
|
1986 |
53%
|
1989 |
58%
|
1987 |
64%
|
1990 |
73%
|
1990 |
59%
|
1987 |
58%
|
1986 |
62%
|
1992 |
64%
|
1987 |
56%
|
1988 |
56%
|
1991 |
64%
|
2002 |
68%
|
1990 |
54%
|
1987 |
46%
|
1989 |
59%
|
1986 |
63%
|
1991 |
68%
|
1986 |
63%
|
1989 |
60%
|
1995 |
76%
|
1991 |
62%
|
1980 |
52%
|
1996 |
51%
|
2001 |
81%
|
1989 |
58%
|
1987 |
62%
|
1995 |
48%
|
1989 |
56%
|
1986 |
59%
|
1986 |
63%
|
1988 |
50%
|
1988 |
63%
|
1987 |
68%
|
1981 |
55%
|
1992 |
30%
|
1989 |
67%
|
1986 |
72%
|
2016 |
98%
|
1991 |
50%
|
1990 |
63%
|
1984 |
81%
|
1993 |
--
|
1992 |
--
|
1993 |
--
|
1992 |
--
|
1989 |
--
|
1991 |
--
|
1992 |
--
|
2016 |
--
|
1992 |
--
|
2000 |
--
|
1988 |
--
|
1998 |
--
|
1998 |
--
|
1988 |
--
|