63% (2011)

68% (2016)

63% (2007)

63% (2013)

66% (2011)

50% (2003)

55% (2004)

70% (2008)

52% (2013)

52% (2010)

0% (2014)

42% (2015)

64% (2011)

0% (2007)

0% (1970)

50% (2003)

63% (2013)

0% (2015)

0% (1970)