60% (1973)

40% (1988)

100% (1969)

57% (1972)

72% (1974)

80% (1972)

20% (1980)

30% (1992)

73% (2013)

80% (1979)

50% (1970)

20% (1979)

0% (2005)

0% (1971)

60% (1971)

42% (1987)

0% (1970)

0% (1977)

20% (1973)

69% (1973)