Year	constant 2015 US$
1981	78307127050.41101
1982	80275385109.55945
1983	78987628401.5706
1984	77584978406.46431
1985	81308109547.11674
1986	87279089798.6359
1987	89891965290.32289
1988	92374052429.7382
1989	98950448209.37602
1990	98800316251.02693
1991	101504710329.35759
1992	100176041730.53592
1993	105484289373.68712
1994	106131093307.31482
1995	110176647855.27306
1996	118886994289.8784
1997	122961889740.87207
1998	126065846639.88895
1999	131878934889.65279
2000	131963546585.8452
2001	137861158851.81195
2002	158152718479.35358
2003	164798418581.83777
2004	170103993377.0473
2005	180585704110.80194
2006	190362386766.69583
2007	197968012941.07037
2008	208280955354.66147
2009	216377261491.57858
2010	227414103057.35364
2011	232820971578.1405
2012	242176277255.8132
2013	249789619560.1825
2014	262243689079.53125
2015	271356671049.26672
2016	280677674601.3714
2017	293343844244.96173
2018	301513531675.9756
2019	307736710549.1741
2020	317271025825.81854
2021	328703761136.8423
2022	339054168945.71246
2023	344525914069.77936