77% (2000)

54% (1969)

73% (1962)

59% (2003)

60% (2016)

73% (2002)

37% (1995)

55% (1996)

25% (1996)

60% (1987)

59% (1976)

76% (1995)

75% (1997)

68% (2010)

71% (1986)

63% (2005)

40% (2010)

69% (2004)

71% (2018)

54% (1987)