Year	% (cumulative)
2007	1.64700996875763
2012	3.22209143638611
2014	5.48339986801147
2015	5.49314022064209
2016	6.7204852104187
2017	5.34396886825562
2019	5.48189115524292
2020	6.2653431892395
2021	5.42940473556519