Year	constant 2015 US$
1994	661399556.4458554
1995	646969479.075149
1996	608931356.3260324
1997	594257184.3996139
1998	580201385.9352384
1999	588386701.8416466
2000	612487005.5355582
2001	635110535.0842006
2002	663950348.0784808
2003	742784866.0090202
2004	821993663.1129688
2005	975134738.6091238
2006	1107999663.7924237
2007	1166273254.428444
2008	1150350130.1023345
2009	1139825571.4987452
2010	1184612918.434953
2011	1253732459.213493
2012	1243167217.9168735
2013	1337647926.478556
2014	1321596151.3650863
2015	1383711170.5369344
2016	1350502102.2795277
2017	1322141558.2505074
2018	1282477311.4709427
2019	1447916884.587664
2020	1581125237.935543
2021	1483095473.2577872
2022	1576530487.9795506
2023	1858729445.3278902