71% (2008)

49% (2014)

71% (2013)

59% (2007)

55% (2014)

55% (1980)

50% (2012)

56% (2008)

78% (2008)

57% (2011)

76% (2008)

46% (2012)

53% (2004)

53% (1997)

43% (2003)

0% (2001)

85% (2004)

33% (2010)

89% (1995)

35% (2005)