Year	Percent
2000	2.15096
2001	2.19128
2002	2.87324
2003	3.57839
2004	4.30672
2005	5.05824
2006	5.83294
2007	6.63083
2008	7.4519
2009	8.29615
2010	9.16359
2011	10.05421
2012	10.96801
2013	11.905
2014	12.86518
2015	13.84853
2016	14.85508
2017	15.8848
2018	16.93771
2019	18.0138
2020	19.11308
2021	20.23554
2022	21.38119