Year	Percent
2000	13.9643
2001	16.51269
2002	19.07652
2003	21.70988
2004	24.41227
2005	27.18324
2006	30.02227
2007	32.92903
2008	35.90281
2009	38.9431
2010	42.04934
2011	45.2211
2012	48.45818
2013	51.75956
2014	55.12481
2015	58.55299
2016	62.04348
2017	65.59537
2018	69.20789
2019	72.88013
2020	76.61121
2021	80.40022
2022	80.3927