Year	% (cumulative)
1975	5.14616012573242
1980	7.19999980926514
1985	9.53827953338623
2004	19.9936504364014
2005	20.9350299835205
2006	22.1891899108887
2007	22.8562393188477
2008	26.7526397705078
2009	28.0895099639893
2010	35.834171295166
2011	38.8797187805176
2012	40.2799682617188
2013	41.8464088439941
2014	44.2438812255859
2015	45.7690582275391
2016	48.5062103271484
2017	50.6290016174316
2018	37.5873336791992
2019	56.3018608093262
2020	41.3895225524902
2021	43.0357894897461
2022	44.3571510314941