Year	Percent
2000	80.17835
2001	80.1779
2002	80.82581
2003	81.47351
2004	82.12145
2005	82.6626
2006	83.20168
2007	83.7383
2008	84.27266
2009	84.80493
2010	85.339
2011	85.87472
2012	86.41197
2013	86.95009
2014	87.48895
2015	88.02825
2016	88.55762
2017	88.993
2018	89.42694
2019	89.85881
2020	90.71465
2021	90.75356
2022	90.79581