60% (1987)

74% (2006)

83% (1995)

65% (1986)

57% (1985)

78% (2009)

70% (2002)

60% (1992)

72% (1972)

67% (1959)

74% (1990)

73% (1967)

70% (1982)

70% (2014)

74% (1966)

0% (1992)

74% (2009)

53% (1993)

52% (1998)

76% (1973)