60% (1991)

0% (1985)

48% (1979)

10% (2013)

53% (1972)

61% (1962)

50% (1994)

61% (1980)

70% (2000)

95% (1993)

71% (1977)

57% (1977)

60% (1978)

0% (1976)

67% (1982)

0% (1995)

58% (1979)

35% (1975)

60% (1982)

70% (1982)