60% (1982)

0% (1960)

61% (1959)

70% (1994)

50% (1984)

0% (1999)

66% (1996)

74% (1979)

70% (1993)

80% (1981)

69% (1985)

62% (1959)

74% (1989)

70% (1979)

0% (1991)

70% (1976)

50% (1996)

55% (1961)

0% (1998)

0% (1991)