64% (2014)

59% (2014)

64% (2011)

56% (2005)

57% (2014)

62% (2005)

61% (2013)

56% (2011)

64% (2011)

49% (2004)

49% (2012)

25% (2006)

50% (2006)

55% (2015)

48% (2013)

62% (2011)

0% (2005)

63% (2005)

59% (2009)

30% (2008)