0% (2006)

98% (1988)

67% (1997)

87% (1994)

72% (1988)

82% (1987)

0% (2003)

0% (2008)

70% (1993)

75% (1993)

100% (1988)

86% (1993)

60% (1989)

60% (1994)

78% (1987)

0% (2004)

0% (1988)

88% (1991)

0% (1989)

90% (1986)