| 2018 |
84%
|
| 2013 |
74%
|
| 1997 |
73%
|
| 1996 |
84%
|
| 1993 |
67%
|
| 2001 |
50%
|
| 2007 |
66%
|
| 2006 |
66%
|
| 2005 |
45%
|
| 2005 |
43%
|
| 1991 |
56%
|
| 1992 |
56%
|
| 1989 |
57%
|
