Year	Percent
2000	27.44186
2001	27.47358
2002	29.67486
2003	31.87559
2004	34.09443
2005	36.33123
2006	38.56712
2007	41.08367
2008	43.63261
2009	46.21376
2010	48.82697
2011	51.47238
2012	54.14949
2013	56.85814
2014	59.59816
2015	62.36966
2016	65.17216
2017	68.00887
2018	70.87994
2019	73.78464
2020	76.72226
2021	79.69308
2022	82.17537