Year	current US$
1960	4038181818.181818
1961	4751904761.904762
1962	5541115311.909264
1963	5501356350.184957
1964	5860771564.802774
1965	5982483370.288248
1966	6977823941.83329
1967	6844771112.865036
1968	6976890634.089587
1969	8131411000.232072
1970	8944724241.88686
1971	10757596854.77926
1972	11774605231.581474
1973	16716791826.023842
1974	16025193227.01771
1975	7337370084.862447
1976	10012724021.379534
1977	13600495118.995398
1978	15503038530.055424
1979	21130736340.35786
1980	28106809871.794872
1981	33046378043.589745
1982	18047865078.040222
1983	18614033635.415417
1984	17641938544.91219
1985	15632726787.42883
1986	16958786056.86771
1987	20499131286.96442
1988	24064674480.66674
1989	27941769563.836517
1990	31377195813.17639
1991	35885784703.88165
1992	44029665344.251175
1993	47581307940.900444
1994	54447096548.67163
1995	70656414243.18846
1996	76078081793.60178
1997	83129353790.98706
1998	80154532621.70592
1999	73432338908.42928
2000	75600289541.58351
2001	69224681513.44185
2002	67561450727.53427
2003	72616133044.55377
2004	91774912486.25461
2005	112636770526.65215
2006	137406723436.95558
2007	155560175060.93393
2008	165740284466.40442
2009	160012171545.05286
2010	202995610888.46072
2011	229490673704.3877
2012	252400856602.6658
2013	265043915853.55316
2014	248044111574.6759
2015	236499159249.76575
2016	242408025811.7541
2017	265419010571.0468
2018	283731132095.71606
2019	267848366678.63846
2020	238186960905.0525
2021	297670042257.93195
2022	287702182743.6469
2023	318450116063.72455