Year	current US$
1960	162929551.32378945
1961	190077700.85385478
1962	196898180.03794307
1963	252579556.6855352
1964	218494568.67894328
1965	228764159.30833492
1966	227324069.82924467
1967	237403660.27518424
1968	206036641.59298357
1969	221733624.61859402
1970	225385794.74882233
1971	252713380.8416447
1972	319039558.9529188
1973	407225726.97941995
1974	671647447.1581576
1975	676132011.926043
1976	719347042.3613397
1977	831847368.393827
1978	1021252256.0692002
1979	1210642861.5710068
1980	1123863786.1583083
1981	1112226100.330404
1982	1047120213.1638392
1983	1063525536.5612664
1984	1009203534.7849576
1985	1045281826.8021989
1986	1428466648.2175283
1987	1864786721.041919
1988	2119122955.48306
1989	2191509241.9431586
1990	2666405160.8512197
1991	2901040798.5838256
1992	3278665266.1841955
1993	3310815266.864139
1994	3581385452.758287
1995	4075646176.2430773
1996	4437529595.805498
1997	4226089189.770102
1998	4199264178.8214307
1999	4385636251.9717455
2000	4709460723.110081
2001	4689247456.972642
2002	4919710990.5880785
2003	5865018867.282105
2004	6653236169.063227
2005	6568005717.882687
2006	7155269026.648644
2007	8457881538.968175
2008	10261972166.010294
2009	9212111449.383287
2010	10003670690.349657
2011	11299782797.642998
2012	12083538713.447054
2013	12635532278.409313
2014	13453633098.474192
2015	12411835683.335854
2016	12811307718.277054
2017	14051920385.617662
2018	15450103729.548779
2019	15153839975.889618
2020	11947741898.968338
2021	12106744357.858162
2022	12857001399.300972
2023	14752726724.467867