50% (1993)

0% (1973)

60% (2002)

70% (1989)

0% (1971)

0% (1987)

20% (1999)

50% (2014)

0% (1984)

47% (2005)

50% (2001)

0% (1969)

30% (1971)

58% (2014)

66% (2013)

50% (1973)

40% (2003)

52% (2010)

70% (2011)

0% (1997)