0% (2005)

70% (1970)

0% (1996)

100% (2003)

30% (1998)

0% (1998)

90% (2003)

78% (2000)

52% (2001)

80% (1998)

80% (2004)

0% (1995)

20% (2003)

60% (2005)

70% (1998)

0% (1996)

80% (2006)

0% (2002)

62% (2003)

0% (2002)