63% (2011)

67% (2016)

63% (2007)

52% (2015)

51% (2013)

51% (2010)

55% (2004)

63% (2013)

68% (2008)

50% (2003)

50% (2003)

42% (2015)

63% (2013)

0% (2007)

0% (2014)

0% (1970)

0% (2015)