56% (2014)

80% (2009)

75% (2014)

59% (2009)

72% (2007)

63% (2015)

70% (2009)

67% (2010)

52% (2008)

73% (2001)

67% (2010)

75% (1997)

72% (1995)

76% (2012)

65% (2014)

63% (2013)

55% (2011)

66% (2009)

67% (2015)

71% (2015)