68% (1988)

0% (1974)

56% (1975)

56% (1988)

58% (1988)

10% (1998)

0% (2012)

0% (1973)

52% (1998)

39% (1988)

40% (2000)

55% (1997)

46% (1986)

40% (1973)

33% (1986)

51% (2012)

60% (1997)

95% (1996)

50% (1989)

65% (1998)