Year % (cumulative) 2012 8.03641796112061 2013 8.22864532470703 2014 8.95147228240967 2015 9.53788280487061 2016 8.83251762390137 2017 9.13404369354248 2018 10.5131673812866 2019 10.4638557434082 2020 12.6216440200806 2021 0