68% (1996)

10% (1999)

80% (2006)

20% (2003)

0% (1996)

10% (1995)

90% (2002)

30% (1998)

40% (2001)

0% (1998)

10% (1995)

0% (1997)

100% (2003)

63% (2005)

0% (2009)

0% (1996)

66% (1998)

60% (1999)

67% (2001)

50% (1969)