Year	Percent
2000	29.60863
2001	29.60863
2002	29.60863
2003	30.21782
2004	30.82702
2005	31.32886
2006	31.82654
2007	32.32007
2008	32.80943
2009	33.29463
2010	33.77567
2011	34.25255
2012	34.72527
2013	35.19383
2014	35.65823
2015	36.11847
2016	36.70478
2017	37.29109
2018	37.8774
2019	38.46371
2020	39.05002
2021	39.63633
2022	39.63633