Year	Percent
2000	3.82452
2001	4.27624
2002	4.72902
2003	5.18344
2004	5.63879
2005	6.12117
2006	6.60626
2007	7.09405
2008	7.58477
2009	8.07809
2010	8.57423
2011	9.07317
2012	9.57498
2013	10.07961
2014	10.58723
2015	11.0977
2016	11.61117
2017	12.1276
2018	12.64705
2019	13.16934
2020	13.69474
2021	14.22297
2022	14.75429