1983 |
75%
|
1983 |
75%
|
1997 |
56%
|
2000 |
56%
|
1994 |
56%
|
1998 |
56%
|
1999 |
56%
|
1981 |
71%
|
2000 |
53%
|
1999 |
59%
|