Year	current US$
1960	4415154487.887656
1961	4472914227.394298
1962	4423240851.418586
1963	4657745393.815549
1964	5130220062.979875
1965	5387828501.179495
1966	5696265510.144959
1967	5666230445.601506
1968	5975822649.357103
1969	6482953162.225414
1970	7066326531.242492
1971	7717856392.877405
1972	8044776518.484995
1973	10254012910.379658
1974	14518891164.065832
1975	16739699746.584705
1976	16769156231.809967
1977	20302882441.511955
1978	23590436596.11711
1979	27175711654.963306
1980	36235684896.39037
1981	36344923438.602234
1982	32507919643.410797
1983	31659220200.072536
1984	30412430300.019917
1985	30401926594.038006
1986	30055304296.635002
1987	31671824647.250828
1988	33130789408.138016
1989	33923356959.07849
1990	36051877211.47214
1991	36209971927.70993
1992	40844973972.64189
1993	43429956415.828156
1994	46087596718.66059
1995	53300168476.21276
1996	57591075595.880226
1997	58050559806.882065
1998	60923103638.24542
1999	62956500358.20231
2000	64806717403.83999
2001	68965612355.98131
2002	71199585702.56706
2003	82761395537.53082
2004	102726956688.18959
2005	124527384632.4481
2006	143391821036.91986
2007	172906262305.3027
2008	216941018651.42502
2009	189518305060.74316
2010	224285602576.50333
2011	278817884616.2934
2012	294902902051.7652
2013	308250457873.8073
2014	321074058426.2883
2015	303637195461.34344
2016	285280340724.25903
2017	316335947297.2494
2018	350512771784.61743
2019	348618550683.1377
2020	312823809630.97253
2021	401015100989.3847
2022	456077180310.36163
2023	422600489277.88947
