Year	Percent
2000	86.39916
2001	86.94445
2002	87.48974
2003	88.03504
2004	88.58033
2005	89.12562
2006	89.67091
2007	90.2162
2008	90.7615
2009	91.30679
2010	91.85208
2011	92.39737
2012	92.94266
2013	93.48796
2014	94.03325
2015	94.57854
2016	95.12383
2017	95.66913
2018	96.21442
2019	96.75971
2020	96.98606
2021	97.00236
2022	98.39559