Year	Percent
2000	59.75292
2001	60.72144
2002	61.68996
2003	62.65848
2004	63.627
2005	64.59551
2006	65.56403
2007	66.53255
2008	67.50107
2009	68.46959
2010	69.43811
2011	70.40663
2012	71.37515
2013	72.34367
2014	73.31219
2015	74.28071
2016	75.24923
2017	76.21775
2018	77.18627
2019	78.15479
2020	79.12331
2021	80.09183
2022	80.09183
