64% (1998)

0% (1965)

70% (1982)

10% (1983)

42% (1986)

53% (1981)

50% (1968)

65% (1975)

60% (1972)

74% (1974)

80% (2001)

53% (1992)

0% (1974)

0% (1990)

60% (1966)

52% (1969)

50% (1983)

50% (2002)

0% (1994)

0% (1975)