59% (1995)

61% (1998)

77% (1969)

50% (1972)

50% (1975)

0% (1996)

64% (1980)

48% (1986)

0% (1985)

57% (1989)

51% (1970)

47% (1999)

53% (1978)

66% (1988)

40% (1983)

70% (1998)

52% (1977)

58% (1963)

50% (1969)

48% (1994)