Year	Percent
2000	1.89987
2001	2.28534
2002	2.67081
2003	3.05346
2004	3.43538
2005	3.8166
2006	4.1971
2007	4.57689
2008	4.95596
2009	5.33432
2010	5.71196
2011	6.0889
2012	6.46511
2013	6.84062
2014	7.21541
2015	7.58949
2016	7.96285
2017	8.3355
2018	8.70744
2019	9.07866
2020	9.44917
2021	9.81896
2022	10.18804