74% (2000)

84% (2019)

70% (1970)

69% (2000)

80% (1980)

90% (1988)

46% (1980)

80% (1973)

70% (1985)

80% (1980)

95% (1989)

80% (1980)

70% (1994)

93% (1990)

80% (1974)

90% (1981)

90% (1983)

90% (1988)

0% (1979)

90% (1982)