80% (2013)

74% (2010)

70% (2009)

80% (2019)

75% (1976)

79% (2014)

63% (2007)

35% (2007)

38% (2002)

55% (2007)

70% (2011)

63% (2012)

72% (2004)

73% (2017)

64% (2011)

70% (2002)

67% (2006)

71% (2016)

69% (2019)

60% (2000)