59% (1999)

70% (1970)

63% (1977)

64% (1991)

45% (2010)

64% (1969)

55% (1999)

62% (1992)

67% (1969)

52% (2011)

63% (1993)

63% (1994)

52% (2012)

53% (1999)

62% (1965)

68% (1980)

50% (1962)

44% (1968)

66% (2010)

58% (1966)