46% (1990)

50% (1984)

70% (1965)

50% (1957)

61% (1978)

55% (1984)

50% (1965)

52% (2006)

42% (1995)

53% (1989)

67% (1971)

72% (2007)

50% (1993)

44% (1989)

36% (2011)

0% (1973)

60% (1975)

50% (1985)

50% (1965)

50% (1984)