Year	constant 2015 US$
1996	1201912739.4786835
1997	1061271760.2599391
1998	964186963.2286105
1999	962054566.9667677
2000	866034432.0356852
2001	950034913.1293278
2002	1000641322.6808869
2003	993464068.43061
2004	1036417937.9432613
2005	1021328953.5696281
2006	996579367.5354728
2007	1030155747.1375506
2008	1075226546.122816
2009	1115426194.413994
2010	1159666771.3346064
2011	1167220654.9404154
2012	1168421382.360572
2013	1202387360.380674
2014	1279274634.3371527
2015	1265151722.706242
2016	1324573768.6422105
2017	1366451472.593445
2018	1376202407.4466112
2019	1416306671.754322
2020	1437020338.8660762
2021	1548699712.0743227
2022	1475382708.3349013
2023	1611831109.4328153