75% (2007)

40% (2014)

77% (2015)

70% (2016)

68% (2013)

68% (2014)

71% (2018)

72% (2017)

71% (2017)

65% (2016)

72% (2017)

71% (2015)

50% (2013)

50% (2017)

69% (2012)

28% (2016)

0% (2016)

0% (1970)

80% (2015)

0% (2016)