65% (1987)

10% (1993)

0% (1993)

72% (1999)

60% (2000)

83% (1986)

10% (2007)

100% (1994)

70% (1992)

0% (1994)

70% (1989)

63% (2001)

0% (1991)

0% (1989)

0% (1997)

0% (1997)

67% (2000)

80% (1996)

60% (1995)

0% (1988)