Year	constant 2015 US$
1960	109326023229.37434
1961	119942258928.23944
1962	116939349429.67746
1963	113601673540.0097
1964	125606077164.12338
1965	136462569403.9807
1966	134982524309.38242
1967	139094275733.6099
1968	145537832971.85342
1969	154775148099.5152
1970	157986125146.03012
1971	166128347822.42688
1972	168583168991.99432
1973	176260884408.69363
1974	188800998401.06467
1975	188761840563.3503
1976	175773435518.08737
1977	179768930127.77182
1978	177771857604.12677
1979	201831249243.1945
1980	214714315250.79825
1981	207019045141.5982
1982	197540035385.89307
1983	205909108078.04276
1984	214472620541.90308
1985	197215976532.6859
1986	215486676168.91507
1987	219248573233.856
1988	210196273466.46088
1989	197587290314.99243
1990	194445193455.76303
1991	223190065490.55783
1992	252665441456.7108
1993	264154033234.62268
1994	277757615459.43164
1995	267825034566.19064
1996	281178649162.2684
1997	303850402358.4805
1998	314355009306.0364
1999	310272627208.0822
2000	308829967824.85645
2001	292902847021.9846
2002	255321675083.1253
2003	273115447949.17004
2004	295918203245.7559
2005	318867854089.05914
2006	350339486290.8061
2007	382307537908.661
2008	408810156695.79724
2009	392949345623.0071
2010	433505028659.39526
2011	471108934593.6067
2012	477583769075.0956
2013	496099339926.48956
2014	479669494720.95105
2015	499614480942.4879
2016	495916395302.58826
2017	515354487027.1837
2018	504064138330.97986
2019	472966405124.20026
2020	422847078232.5472
2021	463721022569.6859
2022	502611669924.2065
2023	508288467035.80286