| 1988 |
74%
|
| 1987 |
74%
|
| 2001 |
74%
|
| 1994 |
72%
|
| 1995 |
72%
|
| 1997 |
72%
|
| 1985 |
71%
|
| 1994 |
64%
|
| 1997 |
57%
|
| 1996 |
54%
|
| 1997 |
63%
|
| 1996 |
63%
|
| 1998 |
63%
|
