70% (1983)

55% (1973)

50% (1986)

80% (2001)

73% (1987)

62% (1991)

40% (1988)

62% (1981)

46% (1976)

50% (1993)

66% (1992)

0% (1995)

0% (1993)

64% (1994)

40% (2006)

0% (1969)

0% (1963)

0% (1954)

80% (2017)

75% (1960)