Year	Percent
2000	4.82364
2001	5.73527
2002	6.6469
2003	7.55853
2004	8.43136
2005	9.29584
2006	10.15197
2007	10.99975
2008	11.83918
2009	12.67026
2010	13.49298
2011	14.30736
2012	15.11338
2013	15.91105
2014	16.70037
2015	17.48134
2016	18.25395
2017	19.01822
2018	19.77413
2019	20.52169
2020	21.2609
2021	21.2609
2022	21.2609