Year	constant 2015 US$
1990	10263084491.248682
1991	8996276034.085588
1992	7833909657.6277275
1993	8902629780.014427
1994	9160999223.293524
1995	9614421599.255106
1996	9329969981.615194
1997	9321569971.70508
1998	8252902044.251753
1999	8429086867.494646
2000	6984069778.085637
2001	8951933638.181839
2002	8439030468.96944
2003	8887641254.639048
2004	10546356032.060474
2005	8738666719.908401
2006	9032236297.023394
2007	6634392442.468478
2008	8194101974.88096
2009	8019137665.898511
2010	6878423499.600749
2011	7991747889.995021
2012	6066171259.2753725
2013	8082640304.919838
2014	8752774428.860003
2015	7873070826.905981
2016	8067024901.881806
2017	9089241492.481771
2018	10339191685.089256
2019	10009329757.465185
2020	8480635646.259276
2021	9641847272.636847
2022	7390034359.5962105
2023	8145676276.723942