1999 |
85%
|
1998 |
83%
|
1996 |
84%
|
1997 |
84%
|
1994 |
84%
|
1995 |
84%
|
1997 |
84%
|
1995 |
70%
|
1996 |
30%
|
1978 |
52%
|