60% (2004)

66% (1990)

80% (1969)

50% (1979)

57% (1978)

70% (1972)

57% (2002)

87% (2004)

38% (1991)

0% (1994)

60% (1996)

51% (1993)

45% (1978)

55% (2006)

68% (1971)

60% (2000)

0% (1994)

61% (2000)

47% (1985)

62% (1972)