0% (1975)

52% (1968)

0% (2005)

0% (1981)

0% (2008)

0% (1994)

0% (1988)

52% (1966)

5% (1974)

0% (1992)

0% (1968)

0% (1980)

0% (1973)

0% (1963)

0% (1976)

0% (1986)

5% (1973)

0% (1973)

52% (1971)

77% (1966)