10% (2005)

0% (2005)

0% (1997)

0% (1999)

0% (2003)

0% (2000)

45% (2004)

50% (2004)

57% (2001)

60% (1996)

0% (1997)

0% (1996)

0% (1997)

80% (1997)

50% (1997)

40% (1997)

100% (1998)

0% (1996)

0% (1997)

20% (1994)