66% (1968)

60% (1975)

95% (1967)

83% (1983)

44% (2014)

69% (1974)

75% (2018)

48% (2013)

69% (1971)

69% (1963)

52% (1979)

55% (1975)

37% (2002)

65% (1980)

60% (1992)

83% (1976)

70% (2001)

71% (2006)

68% (1999)

38% (1987)