Year	Percent
2000	89.05572
2001	89.39955
2002	89.71309
2003	90.02178
2004	90.3216
2005	90.59893
2006	90.87282
2007	91.14283
2008	91.4092
2009	91.67196
2010	91.93091
2011	92.04715
2012	92.57936
2013	93.10709
2014	93.63085
2015	94.15151
2016	94.66854
2017	95.18154
2018	95.69023
2019	96.19409
2020	96.69266
2021	96.93899
2022	97.18173