0% (1971)

0% (1989)

100% (1976)

0% (1984)

45% (2005)

65% (1993)

70% (1992)

50% (1998)

0% (1983)

0% (1974)

80% (1995)

0% (1980)

0% (2004)

0% (1988)

0% (1982)

77% (1999)

70% (1992)

65% (1993)

60% (1978)

0% (1979)