Year	current US$
1967	3829161437.8692365
1968	4253988771.2994485
1969	4531524408.62555
1970	5175638170.63306
1971	5096481493.876928
1972	5798110820.315821
1973	7175905477.022829
1974	9783212038.514713
1975	10105290023.917599
1976	11344389962.641142
1977	13287194525.550974
1978	14947166804.581106
1979	17993710585.286785
1980	21022156899.751858
1981	19234486573.14456
1982	19259889852.98847
1983	18607549328.676098
1984	20645638856.229855
1985	20333086610.19906
1986	21399586854.475243
1987	21613602843.453804
1988	21102090948.406483
1989	23001915767.39711
1990	25210551293.02593
1991	24756449402.16467
1992	23589570753.21692
1993	23757745525.163097
1994	24645977841.633034
1995	30538039689.31504
1996	33013764654.948895
1997	33255896825.07496
1998	33989223953.42248
1999	33020432268.87043
2000	36435742774.30348
2001	35992110964.4843
2002	40359137859.43339
2003	46413833299.23308
2004	58248377014.714806
2005	68869184071.13712
2006	83080351265.14969
2007	100609182707.52182
2008	123450526853.45921
2009	106163802019.08736
2010	130697036033.28487
2011	155802490580.3358
2012	160308318128.79788
2013	167325467752.3
2014	174514643835.43173
2015	148081982296.52292
2016	141878556640.42877
2017	166131319982.7369
2018	183529379871.31287
2019	185955525457.36798
2020	167187596007.31683
2021	207865442155.70627
2022	243586029515.62997
2023	247755011383.18115
