57% (2012)

51% (2007)

57% (2012)

51% (2006)

58% (2011)

49% (2010)

54% (2012)

55% (2009)

40% (2011)

56% (2005)

58% (2006)

53% (2013)

71% (2016)

51% (2012)

43% (2011)

44% (2011)

61% (2015)

50% (2013)

48% (2011)

57% (2011)