69% (2012)

73% (1999)

73% (2006)

74% (2006)

62% (2012)

66% (2009)

75% (1999)

72% (2016)

71% (2005)

69% (2004)

61% (2016)

60% (2000)

67% (2004)

67% (2011)

67% (2009)

68% (2001)

65% (2008)

70% (2003)

60% (2001)

70% (2007)