Year % (cumulative) 2007 1.83186995983124 2008 1.85405004024506 2009 2.0420401096344 2012 3.22209143638611 2014 5.93011999130249 2015 5.8321099281311 2016 7.70418167114258 2017 6.13346290588379 2019 12.7196445465088 2020 6.66003370285034 2021 5.87014007568359