Year	constant 2015 US$
1980	319749785.18393856
1981	324592685.37128466
1982	323707209.0744228
1983	327039486.99193966
1984	338073365.3874092
1985	341338106.63640165
1986	356445653.0746313
1987	384268796.77912277
1988	414591332.2924653
1989	463880425.8303052
1990	496797968.21176225
1991	529926516.2987661
1992	594838489.5508584
1993	625939384.6429291
1994	642937631.7967901
1995	648505937.4758998
1996	656129997.0575273
1997	682901616.9642653
1998	728306354.5595096
1999	789140128.8454599
2000	857892851.3657777
2001	897079861.9610648
2002	944032747.8896388
2003	999270948.128959
2004	1030971559.1526715
2005	1073485323.3417645
2006	1085691358.4036822
2007	1133480165.4408576
2008	1123798902.6644607
2009	1113800181.0819612
2010	1144349802.7961576
2011	1149161040.9458702
2012	1209500829.8309555
2013	1268006846.0633025
2014	1298943544.8565097
2015	1358135257.09149
2016	1349173503.9404428
2017	1336857256.599477
2018	1357017118.5578759
2019	1425158513.220798
2020	1184860286.6596222
2021	1381272658.1486034
2022	1516369909.9340458
2023	1579162878.8961077