52% (1960)

40% (1972)

76% (2013)

81% (2010)

74% (2011)

72% (2013)

81% (2013)

76% (2007)

48% (2005)

53% (1978)

63% (2011)

73% (2024)

47% (2006)

64% (2015)

59% (2002)

70% (2013)

89% (2011)

55% (2016)

59% (2015)

66% (2003)