Year	% (cumulative)
2001	21.3732204437256
2007	20.0375022888184
2009	20.8575992584229
2010	21.3314418792725
2011	24.8239097595215
2012	23.5458374023438
2013	24.1478328704834
2015	27.7348709106445
2016	24.7730293273926
2017	24.7989101409912
2018	23.5364513397217
2019	26.9192008972168
2020	24.6728897094727
2021	27.7017383575439