83% (1996)

0% (1964)

60% (1989)

0% (1974)

40% (1998)

30% (1999)

0% (2001)

50% (1967)

0% (1987)

68% (1971)

0% (1987)

65% (2005)

60% (1979)

0% (1994)

50% (1984)

30% (1990)

50% (1977)

0% (1963)

70% (2005)

0% (1983)