63% (2011)

53% (2015)

64% (2007)

68% (2016)

63% (2013)

51% (2013)

54% (2004)

51% (2010)

0% (2014)

71% (2008)

42% (2015)

0% (2007)

50% (2003)

63% (2013)

50% (2003)

0% (1970)

0% (2015)