1995 |
83%
|
2001 |
81%
|
2015 |
81%
|
1999 |
79%
|
2003 |
85%
|
1992 |
80%
|
2013 |
73%
|
2013 |
72%
|
1989 |
76%
|
2015 |
64%
|
2004 |
66%
|
2000 |
74%
|
1999 |
44%
|
1996 |
66%
|
2004 |
74%
|
1999 |
74%
|
2002 |
85%
|
1998 |
48%
|
2015 |
74%
|
2006 |
78%
|
1994 |
67%
|
1999 |
58%
|
1996 |
58%
|
1996 |
58%
|
1994 |
60%
|
1989 |
48%
|
1994 |
39%
|
1983 |
54%
|