Year	current US$
1960	4093075124.2489767
1961	4313643834.820476
1962	4565302320.193703
1963	4785082170.167577
1964	5216962024.971379
1965	5993381748.942521
1966	6584086843.498627
1967	7309849490.958417
1968	8293989175.5782585
1969	9349707047.126364
1970	10523103067.153149
1971	13203002005.16243
1972	16621895137.921057
1973	26443577156.30934
1974	46045623157.194824
1975	51798709663.89182
1976	67585867366.62977
1977	79729688496.59872
1978	76845583368.48387
1979	91207569320.73943
1980	95239665758.77695
1981	101391532103.21942
1982	126382725397.10724
1983	157001302858.57523
1984	162696317315.73633
1985	180268653829.93628
1986	209246611605.20056
1987	133943681912.51122
1988	122974037113.1365
1989	120425532551.04115
1990	124760662244.78639
1993	63762182228.228226
1994	71515503048.84319
1995	95928399193.94235
1996	119853962533.39272
1997	113672090948.01224
1998	110199295558.32814
1999	114121597497.60307
2000	109789552702.84418
2001	127176778522.08282
2002	128988619778.8389
2003	153832496498.36627
2004	189735120671.673
2005	226042321378.78278
2006	266410628180.88202
2007	350835696890.5519
2008	413692074636.92926
2009	416274638566.69037
2010	486886674335.4865
2011	626597892198.5668
2012	648244556819.7421
2013	495918620540.9273
2014	462752546062.56085
2015	408517212107.135
2016	458482952777.22644
2017	487226042435.8835
2018	331410619456.1252
2019	283702103192.8246
2020	239332303844.33005
2021	358978028679.40686
2022	412780273202.9333
2023	401036252253.11084