45% (2001)

74% (1994)

65% (1967)

66% (1964)

55% (1977)

0% (1982)

57% (1967)

63% (1961)

50% (1981)

50% (1969)

54% (1971)

52% (1997)

50% (1961)

60% (1970)

0% (1995)

50% (1968)

0% (1993)

0% (1975)

75% (1976)

51% (1955)