0% (1992)

47% (1996)

61% (1972)

80% (1979)

59% (1976)

75% (1981)

57% (1992)

30% (1980)

0% (1991)

70% (1969)

59% (1993)

30% (1986)

60% (1968)

40% (1991)

50% (1962)

70% (1968)

70% (1967)

35% (1996)

40% (1963)

0% (1992)