63% (2005)

80% (2004)

77% (1999)

62% (2003)

80% (2006)

0% (2005)

20% (1998)

90% (2003)

20% (1995)

0% (1996)

70% (1998)

70% (1970)

66% (2000)

17% (2004)

0% (2005)

30% (1998)

52% (2001)

0% (1998)

0% (2002)

70% (1970)