Year	Percent
2000	10.1879
2001	10.50631
2002	11.39374
2003	12.26866
2004	13.13173
2005	13.9806
2006	14.81591
2007	15.57079
2008	16.25968
2009	16.93363
2010	17.59317
2011	18.23802
2012	18.86758
2013	19.48161
2014	20.08019
2015	20.66274
2016	21.22902
2017	21.77792
2018	22.30957
2019	22.82407
2020	23.32068
2021	24.04112
2022	24.75649