33% (1978)

58% (1995)

76% (1994)

59% (2017)

48% (1959)

69% (2006)

73% (2004)

69% (2013)

66% (1996)

70% (2006)

71% (1987)

66% (1993)

60% (1996)

67% (2005)

57% (2003)

72% (2004)

55% (1993)

72% (1991)

65% (2015)

62% (1981)