53% (2016)

72% (2012)

58% (2011)

67% (2013)

62% (2011)

64% (2009)

59% (2005)

69% (2018)

52% (2010)

67% (2016)

68% (2012)

59% (2016)

42% (2014)

55% (2015)

69% (2015)

42% (2009)

70% (2015)

68% (2015)

55% (2010)

62% (2013)