37% (1998)

75% (1982)

61% (2001)

0% (1975)

58% (1996)

60% (1997)

53% (1978)

33% (2001)

48% (1971)

63% (1975)

38% (1991)

70% (1984)

0% (1979)

80% (1999)

61% (2000)

87% (1979)

67% (1979)

40% (1978)

40% (2002)

63% (1972)