Year	constant 2015 US$
1995	5769371613.141407
1996	5772297398.633985
1997	6031294321.23125
1998	6340269251.986718
1999	6063212788.068749
2000	6072281946.436718
2001	6160632457.917188
2002	6289664369.045313
2003	6501649011.441016
2004	6772107202.198438
2005	7013016845.652734
2006	7160559869.848045
2007	7293075651.452733
2008	7310283086.873436
2009	7214193722.980858
2010	6986027944.58828
2011	6961057247.471873
2012	7051857563.414842
2013	7100879171.461326
2014	7120813789.567184
2015	7132162996.925387
2016	7142799897.00781
2017	7117935713.128903
2018	7133029526.492967
2019	7113113770.106248
2020	7013614873.10078
2021	7097733702.416405
2022	7124470744.054686
2023	7140248017.359373