Year	current US$
1966	3533468958.7986865
1967	3762160847.0402927
1968	3829653733.3333335
1969	4438459866.666667
1970	5119854666.666667
1971	5506203762.304243
1972	6229703998.963924
1973	9178240681.04802
1974	11616217493.314083
1975	12275876057.220425
1976	14607323076.923077
1977	15893622567.963753
1978	17888293983.24448
1979	22246206424.634098
1980	23438722475.55847
1981	21452392256.506725
1982	21123371537.612213
1983	20444406670.311646
1984	20459800030.89817
1985	22341632158.09143
1986	28623980348.53541
1987	32440355247.576862
1988	34827127089.05891
1989	35549320948.81125
1990	42672845231.55479
1991	43805725631.20457
1992	45947463428.37262
1993	41582170915.65261
1994	48298831242.33563
1995	59022089997.14408
1996	58923841378.23995
1997	57971294571.88281
1998	60376476838.58643
1999	59349185803.15931
2000	62604702032.635994
2001	63303119743.35559
2002	69404219159.6894
2003	80789964782.85289
2004	96223902121.4802
2005	110937740999.51642
2006	131928173807.76216
2007	155192880577.54837
2008	178985961632.76517
2009	136941845585.62927
2010	140316041482.3771
2011	163145712202.19022
2012	159028659872.57297
2013	165680936172.10327
2014	168204207894.33038
2015	147190077810.45587
2016	146359303724.48743
2017	159092675577.8439
2018	179902184182.31284
2019	178715893807.3305
2020	172542692797.80307
2021	210995343903.13712
2022	235767606238.25577
2023	240265724590.7487