| 1989 |
79%
|
| 1987 |
79%
|
| 1988 |
79%
|
| 1991 |
79%
|
| 1992 |
79%
|
| 1994 |
79%
|
| 1990 |
79%
|
| 1993 |
79%
|
| 1995 |
79%
|
| 1996 |
79%
|
