49% (1994)

20% (1984)

35% (1995)

57% (2005)

0% (1985)

20% (1990)

35% (1999)

20% (1994)

0% (1965)

50% (2003)

60% (1988)

20% (1997)

30% (2000)

0% (1987)

10% (1999)

40% (1998)

20% (1996)

35% (1971)

35% (2001)

0% (1972)