61% (2007)

47% (2007)

59% (2015)

65% (2012)

68% (2009)

61% (2010)

68% (2007)

60% (2011)

65% (2017)

69% (2008)

59% (2017)

56% (2018)

63% (2017)

52% (2006)

67% (2011)

57% (2012)

54% (2005)

66% (2010)

57% (2014)

61% (2004)