60% (1992)

54% (2008)

58% (2002)

63% (1997)

54% (2016)

43% (2016)

57% (2015)

51% (2014)

64% (2013)

62% (2011)

53% (2011)

57% (2010)

70% (1946)

67% (2006)

68% (1954)

63% (2003)

73% (2018)

56% (2016)

51% (2015)

74% (2014)