Year	constant 2015 US$
1995	4187889691.0507803
1996	4403773161.74414
1997	4041627044.731249
1998	3882765879.5386705
1999	4115954422.787108
2000	3907718824.448827
2001	3804823708.4851546
2002	3958741993.749998
2003	3873238492.3468733
2004	4102849966.0359354
2005	3882445230.313279
2006	3988223970.2796855
2007	3813727549.4324203
2008	3954981854.56367
2009	3823195022.9281235
2010	3846746653.0574203
2011	3882409725.90078
2012	3863996249.9679675
2013	3983268885.7101545
2014	3982437860.555076
2015	4186166617.5316386
2016	4136441578.3124976
2017	4220289686.48281
2018	4175571878.93906
2019	4314853470.15078
2020	4173595836.480858
2021	4335572513.870311
2022	4106841993.4164047
2023	4114092660.1566396