69% (1997)

41% (2013)

0% (1974)

0% (1968)

43% (2016)

0% (1982)

0% (1973)

10% (1980)

65% (1986)

70% (2011)

0% (1971)

0% (1957)

0% (1986)

0% (1963)

57% (1958)

56% (1982)

62% (1982)

0% (1961)

0% (2008)

0% (1968)