Year	constant 2015 US$
1995	3401923097.689419
1996	3782271944.3293743
1997	4214020724.3862476
1998	4538435187.297656
1999	3910718015.1348987
2000	4428532206.062
2001	4637490962.001462
2002	5041351126.501651
2003	5127699595.883428
2004	5547595760.279768
2005	5677228287.378829
2006	5691456572.689861
2007	6026892856.149985
2008	6236906370.81538
2009	5448276803.65366
2010	5487186057.897872
2011	5569217597.324913
2012	5705289673.395968
2013	6068448503.454485
2014	5679266484.195019
2015	5856362050.216694
2016	6030859351.3962345
2017	6302891191.802699
2018	6396025613.11921
2019	6399964974.266259
2020	6432493872.7711735
2021	6767703967.666999
2022	6899047904.206751