Year	constant 2015 US$
1960	23728173770.684513
1961	24918419094.984406
1962	25719906197.365013
1963	26940221668.051537
1964	27960168102.199627
1965	28500763972.514038
1966	28755302158.349556
1967	30418998901.06709
1968	32926719513.204178
1969	34857494625.64498
1970	35784888482.64685
1971	37026583191.49646
1972	39429537362.676926
1973	41291174618.18903
1974	43050274020.88825
1975	45485475074.72184
1976	46119910078.76169
1977	49906954952.68747
1978	53493631784.18239
1979	55137510492.21598
1980	56835375878.481606
1981	58725274646.34371
1982	60066248568.646454
1983	59919505503.245285
1984	62528623812.19723
1985	64458016800.914024
1986	64181923394.18512
1987	67174785598.07887
1988	70679571502.14255
1989	74788825576.58318
1990	81120842271.68942
1991	82686181890.73434
1992	85450607595.09021
1993	87751458842.51091
1994	92802281060.3484
1995	101743244089.90855
1996	109251514204.54956
1997	121292958859.85542
1998	131925647231.34448
1999	145817267874.0023
2000	159529230641.84564
2001	167993566904.82532
2002	177904121044.86087
2003	183265864279.064
2004	195706207665.88467
2005	206939316704.72568
2006	217261147302.08386
2007	228797971071.0659
2008	218538508412.31552
2009	207402259848.82605
2010	210892781855.16785
2011	213593795569.28583
2012	213316781266.8577
2013	215822430841.68152
2014	234877390513.92798
2015	292364226871.7561
2016	297526083592.1229
2017	325229508739.11273
2018	352777409026.17206
2019	371466596693.27905
2020	396047264524.21814
2021	455950283775.42163
2022	498960174855.6298
2023	482999506836.7123