75% (1987)

62% (1966)

73% (1967)

62% (1980)

67% (1978)

49% (1993)

65% (1987)

60% (1989)

72% (2000)

61% (1986)

72% (2017)

78% (1952)

68% (1971)

53% (1980)

60% (1975)

72% (1989)

54% (2007)

70% (1972)

60% (1971)

65% (2015)