Year	Percent
2000	81.71474
2001	82.10829
2002	82.50251
2003	82.89739
2004	83.29294
2005	83.68915
2006	84.08602
2007	84.48356
2008	84.88177
2009	85.28063
2010	85.68016
2011	86.08036
2012	86.48122
2013	86.88274
2014	87.28492
2015	87.68778
2016	88.09129
2017	88.49547
2018	88.90031
2019	89.30582
2020	89.71199
2021	90.11882
2022	90.52632