2012 |
57%
|
2015 |
56%
|
1992 |
27%
|
2002 |
58%
|
2005 |
64%
|
2007 |
64%
|
1992 |
52%
|
1993 |
27%
|
2003 |
60%
|
1993 |
55%
|
1993 |
62%
|
1992 |
61%
|
1992 |
71%
|
2003 |
64%
|
1995 |
73%
|
2003 |
--
|
2004 |
--
|
1992 |
--
|