53% (1992)

74% (1974)

0% (1974)

80% (2001)

0% (1990)

50% (2002)

59% (2000)

10% (1983)

52% (1969)

0% (1973)

65% (1975)

60% (1972)

0% (1994)

0% (1975)

64% (2011)

0% (1976)

0% (1970)

70% (1967)

55% (1961)

50% (1983)