76% (2014)

65% (2004)

74% (2012)

49% (1979)

69% (2015)

60% (1997)

77% (2008)

72% (2003)

0% (2011)

76% (2003)

20% (1995)

74% (2012)

73% (2007)

75% (1998)

79% (1993)

75% (2014)

69% (2005)

76% (2015)

61% (2007)

70% (1997)