Year	current US$
1970	1000944591.8079668
1971	1359833173.0831494
1972	2188824837.8168
1973	1625802404.7103
1974	2452630883.4627504
1975	1791675453.9223018
1976	2107405769.074126
1977	3079376715.8295994
1978	2642915401.061
1979	3818105812.028241
1980	4212731096.327255
1981	3695774147.4693856
1982	4737334771.032594
1983	5721390949.156229
1984	5555644888.4824705
1985	5068545482.100518
1986	6632282667.798697
1987	6501631845.803399
1988	9040724036.624866
1989	9552079633.277393
1990	11658713235.37546
1991	14877672076.96986
1992	18017862554.2235
1993	16999314248.914526
1994	19055250369.498516
1995	22103796034.935078
1996	25174057085.565685
1997	27487669159.85389
1998	28229710270.78235
1999	28908996545.643402
2000	34532311088.220146
2001	31012064816.79625
2002	26532593608.84799
2003	28928172416.064644
2004	31891721775.99286
2005	34334604808.699333
2006	37498030881.09879
2007	42887311165.74572
2008	49463874024.5262
2009	49018940823.43666
2010	54807222032.77637
2011	61219750392.81197
2012	61479755745.72329
2013	71416891188.6008
2014	76404636486.23154
2015	76412878693.02351
2016	80554512615.32579
2017	89945091462.29085
2018	94558014381.23172
2019	104951133943.65921
2020	117789138594.98717
2021	140100632473.93198
2022	156976087122.28436
2023	150000961886.05832