0% (1994)

55% (1992)

48% (1992)

60% (2004)

54% (1998)

70% (1988)

63% (1991)

54% (1996)

33% (1984)

70% (1989)

63% (1985)

42% (1986)

35% (1988)

63% (1992)

57% (1988)

100% (1990)

62% (1994)

80% (1991)

52% (1999)

70% (1970)