60% (1998)

39% (2000)

0% (1986)

51% (1984)

50% (1988)

47% (2001)

0% (1990)

45% (2011)

0% (2014)

60% (1985)

70% (2013)

60% (1987)

52% (1985)

0% (1990)

47% (2014)

0% (1980)

0% (1984)

0% (2014)

45% (2002)

0% (1996)