| 2011 |
77%
|
| 2009 |
58%
|
| 1996 |
75%
|
| 2008 |
77%
|
| 1998 |
54%
|
| 1990 |
65%
|
| 1992 |
57%
|
| 1999 |
58%
|
| 1993 |
71%
|
| 2007 |
77%
|
| 2005 |
62%
|
| 2009 |
72%
|
| 2007 |
49%
|
| 2000 |
53%
|
| 2013 |
50%
|
| 1987 |
78%
|
| 2012 |
72%
|
