Year	Percent
2000	86.82233
2001	86.14101
2002	85.45969
2003	84.77836
2004	84.1201
2005	83.46146
2006	82.80244
2007	82.14305
2008	81.48329
2009	80.82316
2010	80.16265
2011	79.50177
2012	78.84051
2013	78.17888
2014	77.51688
2015	76.8545
2016	76.19175
2017	75.52863
2018	74.86513
2019	74.20126
2020	73.53701
2021	72.87239
2022	72.2074