| 2009 |
69%
|
| 2014 |
63%
|
| 2007 |
78%
|
| 1998 |
59%
|
| 1995 |
55%
|
| 1985 |
75%
|
| 2001 |
74%
|
| 2000 |
66%
|
| 1999 |
60%
|
| 1992 |
72%
|
| 1990 |
71%
|
| 2000 |
74%
|
| 1985 |
77%
|
