Year	Percent
2000	73.11918
2001	73.78763
2002	74.45641
2003	75.12552
2004	75.79497
2005	76.46475
2006	77.13486
2007	77.8053
2008	78.47607
2009	79.14717
2010	79.81861
2011	80.49038
2012	81.16248
2013	81.83491
2014	82.50767
2015	83.15961
2016	83.81154
2017	84.46348
2018	85.11541
2019	85.76735
2020	86.41928
2021	87.07122
2022	87.72315