1992 |
69%
|
2000 |
56%
|
2001 |
59%
|
1975 |
69%
|
1990 |
63%
|
2012 |
84%
|
2014 |
84%
|
1992 |
90%
|
1985 |
72%
|
2002 |
71%
|
1993 |
66%
|
1995 |
48%
|
2000 |
76%
|
1998 |
76%
|
1999 |
81%
|
1993 |
80%
|
1991 |
75%
|
1994 |
75%
|
1992 |
75%
|
1998 |
59%
|
1996 |
80%
|
1995 |
80%
|
2000 |
66%
|
1999 |
66%
|
2003 |
66%
|
1998 |
66%
|
2001 |
66%
|
2002 |
56%
|
2000 |
62%
|
1996 |
69%
|
1995 |
69%
|
1997 |
69%
|
1994 |
73%
|
1994 |
73%
|
1994 |
72%
|
1995 |
72%
|
1997 |
72%
|
1996 |
72%
|
1994 |
67%
|
1993 |
67%
|
1990 |
67%
|
1991 |
67%
|
1992 |
67%
|
1995 |
67%
|
2009 |
72%
|
2003 |
56%
|
1997 |
73%
|
2016 |
42%
|
1994 |
67%
|
1992 |
67%
|
1994 |
68%
|
1998 |
39%
|
1991 |
83%
|
1991 |
83%
|
1992 |
83%
|
2002 |
48%
|
1993 |
79%
|
1994 |
79%
|
1997 |
63%
|
1996 |
63%
|
1998 |
63%
|
1997 |
58%
|
2011 |
66%
|
1995 |
68%
|
1997 |
59%
|
2011 |
57%
|