2003 |
69%
|
1993 |
86%
|
1992 |
71%
|
1994 |
56%
|
1985 |
77%
|
1982 |
60%
|
1986 |
74%
|
1980 |
54%
|
2000 |
74%
|
1986 |
73%
|