Year	Percent
2000	31.62244
2001	32.82046
2002	34.17216
2003	35.53468
2004	36.90802
2005	38.29219
2006	39.68719
2007	41.093
2008	42.50964
2009	43.93711
2010	45.37539
2011	46.8245
2012	48.28444
2013	49.7552
2014	51.23678
2015	52.72919
2016	54.23242
2017	55.74648
2018	57.27135
2019	58.80706
2020	60.35358
2021	61.91093
2022	63.47911