73% (2012)

64% (1995)

70% (1989)

46% (2005)

30% (1971)

50% (1973)

50% (2011)

52% (2010)

50% (1993)

55% (1993)

70% (2011)

0% (1984)

39% (2011)

50% (2001)

43% (2001)

61% (1986)

0% (1997)

15% (2001)

0% (1985)

70% (2010)