55% (2006)

40% (1988)

67% (1997)

0% (2015)

20% (1984)

63% (1975)

54% (1997)

67% (1979)

50% (1988)

65% (1982)

55% (1978)

58% (1979)

0% (1957)

50% (1979)

52% (1997)

43% (1988)

58% (1984)

50% (1973)

43% (1991)

60% (1999)