71% (1988)

0% (2006)

82% (1987)

62% (1993)

67% (1997)

70% (2001)

0% (2004)

87% (1994)

0% (2003)

75% (1987)

0% (2008)

73% (1993)

98% (1988)

60% (1989)

89% (1993)

83% (1985)

0% (1989)

100% (1988)

88% (1991)

75% (1989)