1997 |
73%
|
1995 |
86%
|
1997 |
86%
|
1996 |
86%
|
1998 |
70%
|
1998 |
56%
|
1995 |
65%
|
1996 |
84%
|
1993 |
84%
|
1993 |
32%
|