0% (1994)

60% (1995)

0% (1994)

62% (1996)

67% (1996)

50% (1995)

70% (1988)

75% (1986)

70% (1991)

0% (1991)

75% (1996)

65% (1990)

0% (1990)

74% (1994)

80% (1983)

70% (1999)

70% (1997)

65% (1997)

85% (1995)

65% (1987)