Year % 2010 8.24937272327286 2011 9.72576963661808 2012 7.7039044254147 2013 8.38500153216674 2014 9.54828949549848 2015 11.2205751069511 2016 12.9535716949494 2017 13.3953729203177 2018 12.8137272486193 2019 -0.70632948506955 2020 -0.170104698243849 2021 -1.32252682911179 2022 1.15199867633904