65% (1973)

0% (1976)

35% (1994)

50% (1976)

65% (1991)

64% (1989)

60% (1971)

70% (2002)

0% (1995)

71% (1997)

70% (1986)

0% (1986)

0% (1999)

0% (1979)

60% (1998)

63% (2002)

0% (1989)

53% (1990)

57% (1988)

0% (1972)