63% (2010)

71% (2007)

63% (2014)

58% (2009)

68% (2012)

55% (2010)

60% (2014)

65% (2007)

58% (2000)

58% (2004)

59% (2007)

59% (2006)

50% (2004)

53% (2005)

58% (2002)

65% (2007)

39% (2000)

39% (2007)

0% (2005)

0% (1970)