60% (1996)

70% (1958)

0% (1991)

60% (1990)

42% (1982)

50% (1999)

57% (1991)

0% (1996)

70% (2000)

35% (1987)

30% (2003)

60% (1989)

0% (1985)

40% (1950)

20% (1984)

90% (1957)

0% (1965)

40% (1989)

50% (1979)

0% (1958)