Year	Percent
2000	27.10523
2001	27.96692
2002	28.8038
2003	29.61588
2004	30.40315
2005	31.16561
2006	31.90327
2007	32.61612
2008	33.30417
2009	33.96741
2010	34.60585
2011	35.21948
2012	35.80831
2013	36.37233
2014	36.91155
2015	37.42596
2016	37.91556
2017	38.38036
2018	38.82036
2019	39.23554
2020	39.62593
2021	39.99151
2022	40.89417