Year	Percent
2000	11.48119
2001	12.68421
2002	13.88723
2003	15.09025
2004	16.29328
2005	17.6461
2006	19.01953
2007	20.41355
2008	21.82818
2009	23.2634
2010	24.71923
2011	26.19566
2012	27.69269
2013	29.21031
2014	30.74854
2015	32.30737
2016	33.8868
2017	35.48683
2018	37.10746
2019	38.7487
2020	40.41053
2021	42.09296
2022	42.09296