| 2010 |
87%
|
| 2007 |
68%
|
| 1990 |
64%
|
| 1997 |
39%
|
| 2006 |
63%
|
| 1993 |
67%
|
| 1989 |
59%
|
| 2004 |
54%
|
| 1994 |
64%
|
| 1992 |
58%
|
| 1990 |
51%
|
| 2018 |
57%
|
