0% (1996)

86% (2005)

73% (2013)

71% (2011)

68% (2000)

79% (1998)

52% (1999)

74% (2014)

0% (2003)

77% (2009)

90% (1970)

0% (1994)

66% (2007)

0% (2006)

81% (2000)

69% (2015)

76% (2001)

60% (1996)

40% (2000)

90% (2005)