Year	current US$
1960	5538393109.10142
1961	5427559405.115044
1962	5697510802.943249
1963	6409699653.311155
1964	7097746508.751336
1965	7622286216.726466
1966	7933937423.975287
1967	7827493173.612134
1968	7966858326.14946
1969	9097142634.129341
1970	10204382310.587303
1971	11168964744.290522
1972	12869878023.289373
1973	17260752323.861073
1974	27477855189.02999
1975	24781063931.56395
1976	30258384391.59251
1977	34812440328.762474
1978	33484442404.604237
1979	47178817118.07431
1980	61490490785.781235
1981	50086190944.7907
1982	41569993011.58349
1983	39347302914.586365
1984	42147398744.16892
1985	42167790396.43495
1986	35656413854.43519
1987	40024520418.78974
1988	42005730423.16284
1989	49249207848.984146
1990	57385510936.77335
1991	54020244980.125114
1992	56334938433.08757
1993	56036447039.3495
1994	59391692672.01202
1995	72785355651.3708
1996	82809607304.80493
1997	82723601309.99905
1998	74227220858.41064
1999	79231757920.88013
2000	94621771814.96846
2001	90988271493.22807
2002	97487289194.85393
2003	113683735769.65155
2004	147232791450.272
2005	177911474955.43723
2006	209441051305.0007
2007	237129974578.06503
2008	291889633813.93524
2009	237203833291.07462
2010	303174840456.5252
2011	379327220622.18945
2012	360065272974.5628
2013	345860117760.1139
2014	360875695291.28455
2015	286557641792.5574
2016	270374489537.9199
2017	314955811063.1522
2018	362419645922.14276
2019	362389293026.3854
2020	328075074318.13446
2021	404704925184.7463
2022	462276021607.3777
2023	458687270836.63983
