47% (1999)

62% (1972)

65% (2001)

60% (2004)

0% (1975)

33% (2001)

57% (1978)

30% (1998)

70% (1997)

82% (1982)

40% (2001)

0% (1979)

50% (1993)

49% (1995)

0% (1980)

53% (1978)

30% (1981)

61% (2001)

33% (2000)

62% (1988)