| 1989 |
76%
|
| 2013 |
66%
|
| 2002 |
72%
|
| 2005 |
77%
|
| 2001 |
67%
|
| 1993 |
79%
|
| 1990 |
80%
|
| 1995 |
72%
|
| 1990 |
54%
|
| 1988 |
57%
|
