| 2008 |
69%
|
| 1997 |
70%
|
| 2003 |
62%
|
| 1995 |
74%
|
| 1995 |
84%
|
| 2007 |
59%
|
| 1980 |
58%
|
| 2009 |
53%
|
| 1997 |
76%
|
| 1988 |
77%
|
| 2007 |
68%
|
| 2000 |
73%
|
| 2000 |
65%
|
| 1995 |
56%
|
| 1988 |
77%
|
| 1991 |
49%
|
| 1994 |
55%
|
| 2010 |
73%
|
| 1994 |
75%
|
| 1993 |
75%
|
| 1990 |
69%
|
