Year	% (cumulative)
1970	5.17800998687744
2006	28.205659866333
2007	28.6260204315186
2008	29.3872299194336
2009	30.6177597045898
2010	31.7404499053955
2011	32.1562805175781
2012	32.7122497558594
2013	32.9851608276367
2014	32.8034515380859
2015	33.2611503601074
2016	33.7627182006836
2017	36.3806114196777
2018	36.9306640625
2019	37.0678596496582
2020	38.5411186218262
2021	40.7574729919434
2022	41.4828414916992