56% (2001)

68% (2001)

45% (1969)

73% (2012)

60% (1978)

36% (1998)

65% (1971)

59% (1973)

83% (1973)

74% (2005)

49% (1996)

0% (1993)

36% (1995)

90% (1991)

52% (2006)

46% (1986)

59% (1974)

62% (1977)

56% (1972)

60% (1979)