Year	Percent
2000	16.25318
2001	16.25318
2002	16.69981
2003	17.14645
2004	17.79699
2005	18.45788
2006	19.12912
2007	19.81072
2008	20.50267
2009	21.20498
2010	21.91763
2011	22.64064
2012	23.37401
2013	24.11772
2014	24.87179
2015	25.63621
2016	26.41099
2017	27.19612
2018	27.19612
2019	27.19612
2020	27.19612
2021	27.19612