72% (1974)

51% (1973)

54% (1994)

50% (1970)

0% (1975)

30% (1993)

67% (1972)

80% (1972)

60% (1983)

0% (1992)

0% (1972)

60% (1969)

60% (1978)

50% (1969)

10% (2001)

0% (1970)

50% (1970)

0% (2006)

10% (1979)

0% (1988)