Year	% (cumulative)
1980	5.08897018432617
2009	24.8530292510986
2010	28.1345996856689
2011	28.7246608734131
2012	29.995719909668
2014	27.3136539459229
2015	28.8687725067139
2016	29.778148651123
2017	31.0155277252197
2018	32.8688926696777
2019	33.8886108398438
2020	35.2395324707031
2021	35.349308013916
2022	35.217960357666