0% (1960)

20% (1985)

0% (1986)

50% (2011)

20% (1975)

0% (2017)

63% (1966)

62% (1985)

40% (1973)

0% (2015)

0% (1964)

67% (1959)

75% (1988)

0% (1969)

50% (1979)

40% (1971)

55% (1969)

0% (1961)

62% (1974)

50% (1969)