60% (2005)

78% (2012)

75% (2009)

63% (2004)

64% (2007)

66% (2010)

62% (2006)

72% (2008)

52% (2013)

62% (2012)

62% (2021)

20% (2014)

50% (2007)

54% (2006)

68% (2012)

63% (2009)

60% (2008)

0% (1970)

0% (2006)

0% (2001)