Year	Percent
2000	20.62246
2001	21.75813
2002	22.92814
2003	24.10569
2004	25.28539
2005	26.5791
2006	27.88093
2007	29.19009
2008	30.50582
2009	31.82678
2010	33.15282
2011	34.48294
2012	35.81674
2013	37.14938
2014	38.4812
2015	39.81179
2016	41.14102
2017	42.46884
2018	43.7952
2019	45.1201
2020	46.44358
2021	47.76582
2022	47.84265