0% (1991)

50% (1971)

0% (1962)

0% (1982)

0% (2000)

0% (1997)

0% (1950)

80% (2005)

50% (1982)

50% (2005)

0% (2000)

70% (1999)

0% (1973)

60% (1981)

45% (2000)

50% (1999)

0% (1941)

60% (1982)

70% (1980)

80% (1997)