Year	Percent
2000	6.95818
2001	8.30945
2002	9.82191
2003	11.37947
2004	12.98211
2005	14.62985
2006	16.32268
2007	18.0606
2008	19.84362
2009	21.67172
2010	23.54492
2011	25.46321
2012	27.42659
2013	29.43507
2014	31.48864
2015	33.5873
2016	35.73105
2017	37.91989
2018	40.15383
2019	42.43286
2020	44.75698
2021	46.53663
2022	48.31627