74% (2007)

69% (2013)

68% (2014)

65% (2016)

72% (2017)

70% (2016)

40% (2014)

71% (2018)

71% (2015)

73% (2017)

28% (2016)

50% (2013)

70% (2012)

77% (2015)

50% (2017)

72% (2017)

80% (2015)

0% (2016)

0% (1970)

0% (2016)