| 1994 |
85%
|
| 2000 |
73%
|
| 1989 |
78%
|
| 1990 |
74%
|
| 2011 |
71%
|
| 2004 |
66%
|
| 1988 |
77%
|
| 2007 |
56%
|
| 2000 |
58%
|
| 2006 |
66%
|
| 1992 |
66%
|
| 2009 |
68%
|
| 2018 |
62%
|
| 1985 |
74%
|
| 1986 |
74%
|
