1995 |
89%
|
1986 |
74%
|
2010 |
59%
|
1999 |
77%
|
2003 |
57%
|
2006 |
51%
|
1991 |
67%
|
1993 |
72%
|
2013 |
35%
|
1993 |
66%
|
1986 |
69%
|
2012 |
13%
|
2010 |
77%
|
1996 |
55%
|
1985 |
74%
|
2003 |
44%
|
2019 |
27%
|
2001 |
78%
|