| 1990 |
80%
|
| 2012 |
57%
|
| 1990 |
49%
|
| 1990 |
39%
|
| 1989 |
73%
|
| 1988 |
73%
|
| 1990 |
51%
|
| 1995 |
68%
|
| 1993 |
41%
|
| 1994 |
64%
|
| 1995 |
86%
|
| 1992 |
--
|
| 2010 |
--
|
