63% (2011)

68% (2016)

52% (2015)

55% (2004)

63% (2013)

63% (2007)

51% (2013)

51% (2010)

68% (2008)

63% (2013)

50% (2003)

0% (2014)

42% (2015)

50% (2003)

0% (2015)

0% (1970)

0% (2007)