| 1996 |
56%
|
| 2000 |
56%
|
| 1997 |
56%
|
| 1993 |
56%
|
| 1994 |
56%
|
| 1995 |
56%
|
| 1998 |
56%
|
| 1999 |
56%
|
| 1981 |
70%
|
| 2000 |
46%
|
| 1980 |
66%
|
| 1998 |
52%
|
| 1999 |
59%
|
