Year	Percent
2000	9.16231
2001	9.88629
2002	10.61144
2003	11.33795
2004	12.20687
2005	13.09504
2006	14.00263
2007	14.92949
2008	15.87561
2009	16.841
2010	17.82589
2011	18.83007
2012	19.85357
2013	20.89638
2014	21.95852
2015	23.04295
2016	24.14984
2017	25.27932
2018	26.43154
2019	27.6064
2020	28.80453
2021	30.02585
2022	31.27074