Year	Percent
2000	97.37426
2001	97.43004
2002	97.48584
2003	97.54166
2004	97.59748
2005	97.65333
2006	97.70918
2007	97.76505
2008	97.82093
2009	97.87683
2010	97.93274
2011	97.98867
2012	98.04461
2013	98.10056
2014	98.15653
2015	98.21251
2016	98.2685
2017	98.32451
2018	98.34277
2019	98.36103
2020	98.37929
2021	98.37929
2022	98.37929