77% (2008)

78% (2003)

70% (2010)

61% (2011)

76% (1988)

67% (2013)

72% (2005)

74% (2015)

83% (2010)

75% (2006)

68% (2012)

0% (1999)

76% (2017)

65% (2003)

0% (2003)

69% (2004)

71% (2015)

70% (2006)

69% (2010)

78% (2020)