65% (2013)

78% (1999)

50% (2014)

45% (2005)

0% (1987)

48% (2006)

50% (2005)

0% (1971)

0% (1972)

61% (1968)

71% (2004)

0% (1973)

35% (1971)

70% (1989)

40% (2003)

52% (2010)

0% (2006)

0% (1996)

61% (1986)

70% (1965)