2009 5.7 7 9.2 14.9 19.4 22.1 25.7 26.3 22.6 18 12.5 8.1 2010 5.7 5.7 8.6 11.9 18.3 23.2 27.4 28.9 24.7 18.4 12.4 8.8 2011 4 6.3 7.4 13.9 18.1 22.6 27 27.1 24.5 18.7 13.8 6.4 2012 3.7 4.6 8 13.8 18.8 21 26 28.1 25.1 18.9 11.4 6.1 2013 4.4 5.1 11.4 14.3 19 22.3 26.9 28.4 24.2 19.2 12.1 7 2014 5.1 4.9 9.4 13.9 19.4 22.7 26.1 27 22.6 18.1 13.1 6.2 2015 5.2 5.3 9.6 14.1 20.5 21.6 26 26.3 22.3 18 13.5 8.8 2016 5.4 6.6 9.6 15 19.8 22.1 25.2 26.8 24.2 18.5 11.2 8.3 2017 5.3 6.4 7.9 14.3 19.6 21.7 27 26.2 22.6 16.7 11.5 6 2018 4.1 4.9 11 16.6 19.6 22.2 28 27.9 22.6 18.8 13.7 7.9 2019 5 6.7 10.1 13.2 19.5 21.5 24 28.1 24.9 19.2 12.8 8 2020 6.7 7.7 10.3 12.5 19.2 23.1 24 28.9 24 17.2 13.6 7 2021 4.8 7.7 12.1 14.6 19.3 22.3 25.7 27.2 22.1 17.9 13 7.3 2022 4.2 4.5 10.5 15 18.5 22.8 27.2 27.4 24.3 16.9 14 7