Year	Percent
2000	96.5545
2001	96.67241
2002	96.79032
2003	96.90822
2004	97.02613
2005	97.14403
2006	97.26194
2007	97.37985
2008	97.49775
2009	97.61566
2010	97.73356
2011	97.85147
2012	97.96938
2013	98.08728
2014	98.20519
2015	98.3231
2016	98.441
2017	98.55891
2018	98.67681
2019	98.79472
2020	98.91263
2021	99.03053
2022	99.14844