45% (2001)

70% (1969)

62% (1987)

50% (1978)

0% (2002)

90% (2007)

68% (2018)

60% (1962)

73% (2015)

66% (1975)

67% (1978)

50% (1972)

60% (2002)

40% (1979)

55% (1980)

57% (1977)

47% (1970)

74% (1961)

0% (1954)

80% (1998)