Year	Percent
2000	4.16113
2001	4.64521
2002	5.13883
2003	5.64179
2004	6.54982
2005	7.66562
2006	8.79676
2007	9.94309
2008	11.10501
2009	12.28236
2010	13.47606
2011	14.68599
2012	15.91256
2013	17.1558
2014	18.41614
2015	19.69384
2016	20.9889
2017	22.30157
2018	23.6323
2019	24.98111
2020	26.34822
2021	27.73389
2022	27.84382