| 1990 |
81%
|
| 2004 |
60%
|
| 2009 |
51%
|
| 2010 |
59%
|
| 2005 |
74%
|
| 1989 |
68%
|
| 1993 |
79%
|
| 2015 |
62%
|
| 2000 |
61%
|
| 2011 |
61%
|
| 2001 |
72%
|
| 1990 |
64%
|
| 2006 |
77%
|
| 1989 |
74%
|
| 1996 |
74%
|
| 1997 |
53%
|
| 1994 |
72%
|
| 1995 |
72%
|
| 1996 |
72%
|
| 1993 |
75%
|
| 1996 |
41%
|
| 1992 |
51%
|
| 1995 |
52%
|
| 2001 |
73%
|
