Year	Percent
2000	28.31482
2001	31.32642
2002	34.32828
2003	37.31721
2004	40.29335
2005	43.16435
2006	45.84715
2007	48.51451
2008	51.16777
2009	53.80535
2010	56.42819
2011	59.03639
2012	61.63042
2013	64.20895
2014	66.77321
2015	69.323
2016	71.85881
2017	74.37984
2018	76.88628
2019	78.94809
2020	79.13544
2021	79.32396
2022	79.51363