Year	Percent
2000	5.76276
2001	5.76276
2002	5.79038
2003	5.818
2004	5.84913
2005	5.88029
2006	5.91149
2007	5.94272
2008	5.97399
2009	6.00528
2010	6.03661
2011	6.06798
2012	6.09937
2013	6.1308
2014	6.16226
2015	6.19376
2016	6.22529
2017	6.25685
2018	6.25685
2019	6.25685
2020	6.25685
2021	6.25685