Year	constant 2015 US$
1960	558565685.800961
1961	627761037.7666215
1962	673953757.7282925
1963	633493253.5332772
1964	656892364.6788739
1965	704180756.8627925
1966	689132520.3769618
1967	638028910.2355033
1968	715453644.7441993
1969	810039199.0503291
1970	828552406.7193773
1971	928316445.9876672
1972	1028711496.1875652
1973	1103680632.6408465
1974	1131643832.233713
1975	1133601912.218564
1976	1102647201.0969427
1977	1043617671.8838077
1978	1144138688.5724595
1979	1177031482.2930055
1980	1365699894.8289235
1981	1863469816.3791397
1982	2219423994.9537144
1983	2203534605.0294337
1984	2370917514.451343
1985	2395284250.612192
1986	2225273302.7637067
1987	2166784146.852049
1988	2163669449.136662
1989	2096525186.9932635
1990	2056925022.6290045
1991	2210909344.131352
1992	2239238137.81414
1993	2157036504.579669
1994	1980922044.2445953
1995	2027316449.0226414
1996	2091224523.1168861
1997	1794571879.0797539
1998	1827082580.975877
1999	1656338439.1392393
2000	1917358334.7502506
2001	2153298026.740581
2002	2312661819.8639536
2003	2418614068.338634
2004	2530081639.3917828
2005	2625752310.9553638
2006	2889495892.4699445
2007	3243984750.5283775
2008	3204340138.925221
2009	3128478076.948103
2010	3274412203.3939943
2011	3634103905.6930203
2012	4299689792.026543
2013	4527070542.881861
2014	4844477520.006327
2015	4869609227.834886
2016	4790925322.21762
2017	4155074461.6839046
2018	4065542396.4454927
2019	4149414132.9877315
2020	3662050166.115131
2021	3735291169.3049846
2022	3851084822.045284
2023	3962766281.9678874