34% (2000)

60% (1971)

44% (2006)

57% (1995)

40% (1995)

62% (1976)

69% (2008)

53% (2000)

31% (1995)

57% (2008)

52% (1972)

60% (1970)

54% (1971)

0% (1997)

0% (1985)

56% (2001)

57% (1996)

64% (1976)

45% (1986)

45% (2000)