Year % (cumulative) 2008 4.03565359115601 2009 4.08441781997681 2010 4.1474871635437 2011 4.60519123077393 2013 5.55225944519043 2014 5.59940576553345 2015 5.71576023101807 2016 6.80077981948853 2017 8.21088027954102 2018 11.5003175735474 2019 2.57877993583679 2020 7.91298007965088 2021 13.0094404220581 2022 12.2236385345459