57% (1977)

69% (2019)

68% (1972)

60% (1992)

47% (1970)

53% (2012)

65% (1958)

0% (1952)

75% (2018)

48% (2011)

64% (1989)

65% (1972)

70% (1969)

58% (1988)

80% (1998)

72% (1988)

50% (1965)

50% (2000)

57% (1986)

63% (2009)