Year	Percent
2000	24.18475
2001	25.12177
2002	26.05879
2003	26.99581
2004	27.93283
2005	29.17403
2006	30.43499
2007	31.71569
2008	33.01613
2009	34.33632
2010	35.67626
2011	37.03594
2012	38.41537
2013	39.81455
2014	41.23347
2015	42.67213
2016	44.13055
2017	45.60871
2018	47.10661
2019	48.62426
2020	50.16166
2021	51.7188
2022	52.82366