Year	Percent
2000	22.71351
2001	23.76609
2002	25.28195
2003	26.83067
2004	28.41255
2005	30.02686
2006	31.67444
2007	33.35351
2008	35.20692
2009	37.10244
2010	39.02835
2011	40.983
2012	42.96574
2013	44.97593
2014	47.01288
2015	49.07594
2016	51.16441
2017	53.27718
2018	55.41399
2019	57.57537
2020	59.76011
2021	61.48093
2022	63.19537