83% (1996)

50% (1967)

0% (2001)

67% (2004)

0% (1966)

50% (1977)

60% (2003)

0% (1996)

65% (2005)

0% (1989)

0% (1994)

20% (1999)

30% (1990)

30% (1999)

0% (1999)

50% (1984)

50% (1978)

0% (1985)

0% (1987)

0% (1985)