74% (1964)

75% (1962)

63% (2025)

59% (2014)

54% (2014)

65% (2015)

57% (1992)

68% (2005)

50% (2009)

64% (1996)

70% (2012)

42% (2004)

60% (2005)

45% (2000)

60% (2001)

63% (1993)

80% (1999)

36% (1947)

54% (2015)

70% (1995)