55% (2013)

47% (2010)

61% (2005)

56% (2009)

60% (2009)

54% (2015)

55% (2005)

55% (2009)

56% (2006)

46% (2013)

50% (2006)

54% (2007)

49% (2010)

65% (2005)

56% (2013)

48% (2010)

51% (2013)

49% (2013)

54% (2013)

59% (2006)