Year	% (cumulative)
2006	30.5559825897217
2007	32.0663452148438
2008	30.764835357666
2009	31.4568405151367
2010	34.0222206115723
2011	31.8824996948242
2012	37.2988014221191
2015	40.7780380249023
2016	41.5603141784668
2018	43.3992462158203
2019	44.8981399536133