59% (2014)

71% (2008)

72% (2013)

54% (2011)

52% (2010)

90% (2003)

33% (2010)

10% (1998)

45% (2003)

0% (2009)

20% (2003)

53% (2004)

66% (2002)

71% (2013)

57% (2008)

40% (1996)

66% (2002)

56% (1980)

0% (2007)

0% (2000)