59% (1999)

77% (1986)

60% (1975)

20% (1988)

62% (1974)

60% (1991)

0% (1988)

67% (1975)

68% (1973)

50% (1993)

53% (1988)

33% (1987)

90% (1974)

73% (1986)

50% (1992)

40% (1995)

75% (1992)

60% (1990)

45% (1988)

60% (1992)