2002 |
33%
|
2015 |
49%
|
2001 |
57%
|
1998 |
57%
|
2001 |
57%
|
1995 |
57%
|
2001 |
57%
|
2000 |
57%
|
1997 |
57%
|
1994 |
57%
|
1996 |
57%
|
1988 |
33%
|