73% (1970)

45% (1976)

72% (1990)

67% (1989)

35% (1971)

63% (1974)

80% (2013)

54% (1994)

50% (1989)

64% (2014)

55% (1960)

55% (1992)

72% (2013)

71% (2010)

0% (1992)

0% (1989)

80% (1991)

63% (1963)

55% (1986)

0% (1973)