Year annual % growth 2012 5.845087988168558 2013 3.502746464175587 2014 5.751638159973311 2015 3.9073339386080193 2016 4.425005129433529 2017 3.7676538596678455 2018 4.738586808551432 2019 4.760879246629173 2020 -0.5988499537850629 2021 1.586782481976968