65% (2007)

58% (2005)

62% (2006)

60% (2002)

71% (2012)

70% (2004)

70% (2006)

90% (2011)

0% (2008)

0% (1965)

73% (2009)

0% (2012)

82% (2002)

0% (2008)

68% (1981)

70% (2004)

0% (2004)