Year	% (cumulative)
1970	3.21280002593994
2006	27.9833908081055
2007	28.45090675354
2008	29.0378494262695
2009	30.3489303588867
2010	31.7003498077393
2011	32.0589218139648
2012	32.8184509277344
2013	33.2178497314453
2014	32.7278594970703
2015	33.8255615234375
2016	34.2636985778809
2017	37.067310333252
2018	38.060131072998
2019	38.4451904296875
2020	40.2703285217285
2021	42.4268569946289
2022	43.1228790283203