64% (2009)

0% (1984)

80% (1981)

0% (1994)

60% (1989)

65% (1991)

53% (1995)

0% (1983)

43% (1989)

73% (1986)

0% (1986)

48% (1986)

64% (1999)

66% (2001)

57% (1999)

0% (1977)

0% (1992)

60% (1989)

0% (1983)

60% (1999)