Year	Percent
2000	28.75498
2001	29.41398
2002	30.07871
2003	30.74919
2004	31.4254
2005	32.10736
2006	32.79505
2007	33.48849
2008	34.18766
2009	34.89257
2010	35.60322
2011	36.31962
2012	37.04175
2013	37.76962
2014	38.50323
2015	39.24258
2016	39.98766
2017	40.73849
2018	41.49506
2019	42.25737
2020	43.02541
2021	43.7992
2022	43.7992
