Year	current US$
1960	38220056.05608221
1961	38808056.91848348
1962	40866059.936887905
1963	41584727.65760057
1964	43936731.10720562
1965	54324746.342961304
1966	61740090.55213281
1967	62360758.12911192
1968	71213437.77970874
1969	86599460.34587519
1970	105219487.65524855
1971	109205540.31098916
1972	128331202.67479596
1973	166755555.55555555
1974	190445185.96891025
1975	200172350.11695185
1976	226078522.32952386
1977	245467055.20479196
1978	282897433.7951955
1979	358927000.8795075
1980	441414513.01388764
1981	510414720.7173548
1982	563260283.0501255
1983	657196261.682243
1984	738523426.4079508
1985	721203881.674558
1986	657424662.5153402
1987	831679985.303573
1988	1131576448.243115
1989	1581097197.3762672
1990	1675434548.5309954
1991	1961794500.723589
1992	2634614451.980918
1993	3443328994.9009495
1994	4929607893.97189
1995	5922568127.700855
1996	5986137991.732156
1997	6174341967.906919
1998	4353663535.296923
1999	5154644041.117268
2000	6518643381.557493
2001	5337655429.996713
2002	4817858714.567505
2003	5239059272.188972
2004	5735439242.516394
2005	5705489735.9223795
2006	6212596755.180993
2007	10297776792.811634
2008	10058938651.924112
2009	9585050686.998758
2010	13152178058.361227
2011	15874925264.912035
2012	16926227278.110487
2013	17718213058.419243
2014	17165147389.605778
2015	17643481897.69607
2016	19241053139.01962
2017	20909028368.66593
2018	19727143727.730896
2019	19165228661.196136
2020	16141278586.86624
2021	22639661238.735435
2022	23069167536.468197
2023	25686660455.611435