64% (1982)

35% (1973)

40% (1990)

62% (2009)

62% (1978)

51% (1970)

52% (1968)

0% (1998)

56% (1969)

44% (1986)

40% (2000)

33% (1984)

90% (1973)

0% (1984)

64% (2000)

35% (1986)

0% (1987)

66% (1967)

70% (1982)

54% (1970)