72% (2001)

64% (2003)

54% (1996)

76% (2009)

88% (2014)

100% (1997)

50% (2011)

20% (2015)

50% (2006)

84% (2009)

72% (2002)

75% (2011)

42% (2005)

60% (1996)

0% (1970)

80% (1998)

75% (2002)