Year	Percent
2000	89.15584
2001	89.15278
2002	89.91163
2003	90.67089
2004	91.47156
2005	92.29376
2006	93.10328
2007	93.90021
2008	94.68478
2009	95.45707
2010	96.21749
2011	96.98959
2012	97.75339
2013	98.48642
2014	99.04546
2015	99.31901
2016	99.3193
2017	99.31957
2018	99.31981
2019	99.32004
2020	99.32025
2021	99.32044
2022	99.32062