78% (2012)

60% (2005)

75% (2009)

72% (2008)

61% (2009)

62% (2006)

63% (2004)

66% (2010)

62% (2012)

62% (2021)

52% (2013)

64% (2007)

54% (2006)

50% (2007)

0% (2006)

0% (1970)

20% (2014)

60% (2008)

66% (2012)

63% (2009)