Year	current US$
1962	9122751.453183454
1963	10840095.12836493
1964	12712471.396021094
1965	64748333.333333336
1966	69110000.00000001
1967	72317446.93271928
1968	67514285.71428572
1969	67225714.28571428
1970	66331428.571428575
1971	64946954.756798
1972	65429198.23870797
1973	81203226.91383454
1974	94159862.70736909
1975	104295643.38843696
1976	103653049.9379699
1977	103987520.07582739
1980	50642880.77375034
1981	36731422.84569138
1982	44294647.73347897
1983	44442456.947639965
1984	50320914.4065688
1985	62118569.96544805
1986	76407395.87275417
1987	93345859.52973002
1988	100534656.8817321
1989	88265974.86104898
1990	112119411.48996468
1991	110906028.53686225
1992	134707183.84662017
1993	136047906.24540824
1994	100807002.54019465
1995	141853360.86785537
1996	232463022.80296078
1997	442337870.6943698
1998	370687634.42571217
1999	621117885.6685027
2000	1045998496.4387157
2001	1461139022.0295386
2002	1806742742.2731116
2003	2484745935.093289
2004	4410764338.667325
2005	8217369092.652238
2006	10086528698.86043
2007	13071718758.737305
2008	19749893536.320362
2009	15027795173.218706
2010	16314443436.290295
2011	21357343668.944725
2012	22388344143.913067
2013	21948834283.785564
2014	21765453081.9826
2015	13185496881.017399
2016	11240808847.887815
2017	12200913878.982721
2018	13097012133.615946
2019	11364133549.747766
2020	9893816007.7398
2021	12215878032.716585
2022	13486788878.97569
2023	12116922539.411173