49% (1986)

0% (1970)

68% (1998)

63% (1986)

40% (1985)

63% (1987)

54% (1995)

63% (2002)

68% (1987)

55% (1992)

40% (1984)

0% (1970)

54% (1988)

60% (1987)

52% (1984)

56% (1998)

75% (1984)

0% (1970)

42% (1986)

43% (1999)