63% (2011)

74% (2005)

68% (2016)

52% (2015)

64% (2007)

52% (2010)

54% (2004)

51% (2013)

50% (2003)

50% (2003)

72% (2008)

63% (2013)

42% (2015)

0% (2014)

0% (2015)

63% (2013)

0% (2007)

0% (1970)