Year	% (cumulative)
2003	4.12298822402954
2004	4.27524948120117
2005	4.27932262420654
2006	4.31455373764038
2007	4.31103277206421
2008	4.80432224273682
2009	4.92249727249146
2010	4.87068700790405
2011	4.91082000732422
2012	5.02397584915161
2013	5.16361141204834
2014	5.34700202941895
2015	5.40315914154053
2016	5.60834836959839
2017	5.66992473602295
2018	5.74178695678711
2019	5.57692861557007
2020	5.41866254806519
2021	5.32959842681885
2022	5.478675365448