30% (1970)

50% (1971)

45% (1981)

87% (2003)

52% (2010)

78% (2019)

65% (2013)

60% (1978)

0% (2019)

62% (1974)

45% (1985)

53% (1986)

0% (1959)

0% (2006)

50% (1956)

52% (1985)

57% (1967)

63% (1990)

68% (2006)

60% (1979)