Year % (cumulative) 2011 2.53204011917114 2012 2.58008003234863 2013 2.80356001853943 2014 2.90205001831055 2015 4.56629991531372 2016 4.74306011199951 2017 5.15172004699707 2018 5.43865013122559 2019 5.70075988769531 2021 4.46670007705688