0% (1998)

70% (1970)

90% (2005)

52% (2006)

0% (2000)

78% (2000)

70% (2002)

80% (2004)

73% (2003)

58% (2004)

20% (2003)

87% (2003)

60% (2001)

5% (2006)

0% (2005)

76% (2000)

0% (2003)

0% (1995)

70% (2004)

80% (2004)