52% (2008)

80% (2009)

69% (2014)

60% (2008)

67% (2009)

73% (1995)

73% (2007)

74% (1999)

71% (1991)

66% (2014)

74% (2014)

67% (2014)

58% (2013)

64% (2012)

67% (2010)

59% (2009)

67% (2015)

75% (2014)

65% (2001)

56% (2014)