78% (2012)

60% (2005)

62% (2009)

64% (2007)

62% (2006)

76% (2009)

66% (2010)

71% (2008)

61% (2012)

50% (2007)

64% (2004)

52% (2013)

54% (2006)

62% (2021)

0% (1969)

60% (2008)

66% (2012)

63% (2009)

20% (2014)

0% (2006)