Year	Percent
2000	5.5194
2001	6.0261
2002	6.51516
2003	7.00441
2004	7.49361
2005	7.9979
2006	8.49859
2007	8.99543
2008	9.48813
2009	9.97724
2010	10.4625
2011	10.94357
2012	11.42109
2013	11.89473
2014	12.36966
2015	12.84712
2016	13.32697
2017	13.81057
2018	14.29778
2019	14.79004
2020	15.28808
2021	15.88156
2022	16.40966