2000 |
36%
|
2000 |
43%
|
2000 |
36%
|
2000 |
40%
|
2000 |
44%
|
2000 |
41%
|
2000 |
40%
|
2000 |
39%
|
2001 |
48%
|
1999 |
70%
|