72% (1972)

51% (1966)

70% (1973)

63% (1968)

0% (2006)

80% (2015)

56% (1965)

75% (1973)

64% (2008)

40% (2007)

63% (1969)

59% (1969)

50% (1968)

0% (1971)

45% (1971)

75% (1968)

43% (1968)

49% (1965)

63% (1966)

61% (1967)