73% (2008)

0% (1980)

43% (1976)

0% (1974)

38% (2015)

58% (2004)

30% (1970)

80% (1991)

70% (2007)

68% (1977)

35% (2011)

0% (1970)

0% (1994)

0% (1984)

0% (1993)

0% (1987)

0% (1973)

0% (1972)

0% (2002)

0% (1978)