70% (2014)

69% (1979)

61% (1979)

60% (1977)

59% (1979)

42% (1981)

40% (1979)

43% (1987)

60% (2014)

70% (1973)

45% (1973)

58% (1978)

30% (1983)

0% (1974)

69% (1982)

50% (1973)

56% (2015)

56% (1980)

42% (1983)

27% (2000)