63% (1996)

64% (1997)

34% (1997)

50% (2004)

81% (1954)

53% (1992)

70% (1995)

42% (1983)

57% (1990)

25% (2003)

67% (1978)

64% (1997)

63% (1975)

0% (1958)

52% (1994)

70% (1995)

71% (1992)

65% (1979)

0% (1995)

57% (1973)