0% (1992)

77% (2002)

30% (1988)

72% (2007)

0% (1990)

0% (1995)

0% (1990)

0% (1998)

80% (2002)

0% (2000)

68% (1984)

0% (2001)

0% (1997)

0% (2006)

0% (2004)

66% (1992)

0% (1994)

0% (2009)

0% (1994)

30% (1999)