Year	Percent
2000	78.13068
2001	78.63059
2002	79.13129
2003	79.62289
2004	80.19836
2005	80.77586
2006	81.35544
2007	81.93704
2008	82.52063
2009	83.10627
2010	83.69388
2011	84.28344
2012	84.8881
2013	85.49341
2014	86.10008
2015	86.70796
2016	87.31699
2017	87.92711
2018	88.53807
2019	89.14989
2020	89.76243
2021	90.37557
2022	90.98921