| 1992 |
41%
|
| 1990 |
49%
|
| 1992 |
48%
|
| 1990 |
59%
|
| 1993 |
58%
|
| 1991 |
42%
|
| 1992 |
71%
|
| 1993 |
57%
|
| 1991 |
47%
|
| 1993 |
54%
|
| 1992 |
44%
|
| 1991 |
--
|
