2008 |
75%
|
2003 |
63%
|
2005 |
59%
|
1992 |
90%
|
1994 |
90%
|
1993 |
90%
|
1995 |
90%
|
2005 |
60%
|
1997 |
84%
|
1998 |
84%
|
1998 |
71%
|
2012 |
83%
|
2017 |
59%
|
1994 |
72%
|
1985 |
77%
|
1981 |
56%
|
2000 |
68%
|
1997 |
69%
|
1985 |
74%
|
1987 |
74%
|
1988 |
74%
|
1990 |
55%
|
2016 |
32%
|