63% (2006)

58% (2005)

82% (2002)

0% (2008)

66% (2007)

73% (2012)

60% (2002)

90% (2011)

70% (2004)

68% (1981)

0% (2012)

90% (2009)

0% (2008)

70% (2006)

70% (2004)

0% (1965)

0% (2004)