45% (1993)

55% (1995)

33% (1996)

80% (1983)

71% (2010)

20% (1989)

69% (1994)

90% (1989)

0% (1994)

60% (1965)

49% (1990)

0% (1990)

0% (1993)

57% (2001)

80% (1994)

70% (2007)

67% (1974)

57% (2001)

40% (1994)

60% (1983)