2003 |
46%
|
2001 |
83%
|
1995 |
79%
|
1993 |
79%
|
2007 |
42%
|
1998 |
54%
|
1994 |
67%
|
1992 |
75%
|
1988 |
66%
|
1985 |
77%
|
1992 |
48%
|
1989 |
48%
|
2014 |
77%
|
2004 |
49%
|