Year	Percent
2000	2.72914
2001	2.87282
2002	3.01649
2003	3.16017
2004	3.30384
2005	3.5812
2006	3.8697
2007	4.16935
2008	4.48013
2009	4.80206
2010	5.13513
2011	5.47935
2012	5.83471
2013	6.2012
2014	6.57885
2015	6.96763
2016	7.36756
2017	7.77863
2018	8.20084
2019	8.63419
2020	9.07869
2021	9.07869
2022	9.07869