Year annual % growth 2007 4.41272419298933 2008 7.01889082601781 2009 -5.20489023753268 2010 1.2773961215031306 2011 6.613387257447783 2012 8.252762348965277 2013 11.390848370714025 2014 -6.733891811854747 2015 -0.6708583239581856 2016 4.183414924509421 2017 1.4355639721051574 2018 7.1678499625484875 2019 4.736700771977382 2020 4.188508771812309 2021 -5.362811529329974