83% (2007)

70% (2002)

82% (2013)

79% (2015)

84% (2017)

80% (2009)

82% (2012)

85% (2018)

78% (2016)

60% (2005)

85% (2011)

82% (2013)

82% (2012)

79% (2006)

67% (2018)

73% (2014)

69% (2006)

72% (2013)

75% (2007)

53% (2009)