Year	constant 2015 US$
1981	78307127050.4111
1982	80275385109.55954
1983	78987628401.5707
1984	77584978406.46439
1985	81308109547.1168
1986	87279089798.63597
1987	89891965290.32297
1988	92374052429.73828
1989	98950448209.37614
1990	98800316251.02702
1991	101504710329.3577
1992	100176041730.53598
1993	105484289373.68718
1994	106131093307.31487
1995	110176647855.2731
1996	118886994289.87852
1997	122961889740.87213
1998	126065846639.88904
1999	131878934889.65288
2000	131963546585.84526
2001	137861158851.812
2002	158152718479.35364
2003	164798418581.83774
2004	170103993377.04733
2005	180585704110.802
2006	190362386766.69592
2007	197968012941.0704
2008	208280955354.66153
2009	216377261491.57867
2010	227414103057.3537
2011	232820971578.1406
2012	242176277255.81323
2013	249789619560.18253
2014	262243689079.53128
2015	271356671049.2667
2016	280677674601.3714
2017	293343844244.9618
2018	301513531675.9755
2019	307736710549.1741
2020	317271025825.81854
2021	328703761136.8423
2022	339054168945.7127
2023	344525914069.7794