77% (2008)

70% (2010)

78% (2003)

0% (1999)

75% (2006)

61% (2011)

74% (1988)

67% (2013)

68% (2012)

71% (2005)

69% (2006)

83% (2010)

65% (2003)

76% (2017)

72% (2011)

0% (2003)

72% (2011)

57% (2004)

63% (2014)

80% (2013)