Year	current US$
1970	41776772046.58902
1971	46615865868.26348
1972	59546947967.9006
1973	80039563106.79611
1974	103095148543.40929
1975	120454750724.6377
1976	125042996766.97339
1977	136458512595.83789
1978	160819707031.25
1979	215934343083.78778
1980	240460048735.20538
1981	209004049378.26636
1982	201456960472.5125
1983	173922221577.72623
1984	170302644380.04556
1985	179301718199.6086
1986	249067722466.43698
1987	322078335803.80005
1988	384818231681.1885
1989	433036595924.104
1990	560308875285.6676
1991	601529026421.1368
1992	655202972533.7234
1993	534058593280.16736
1994	536334100111.78735
1995	621499866559.9146
1996	643748850650.2036
1997	589054545454.5454
1998	622048112261.9446
1999	647183155984.9435
2000	616048646583.5308
2001	642106364081.4968
2002	722869364941.5698
2003	927509668634.1157
2004	1108613012844.0183
2005	1209137556171.2058
2006	1332172773381.1746
2007	1559172308045.103
2008	1709139927391.4058
2009	1504470901096.0928
2010	1436683128816.6694
2011	1476612579445.5283
2012	1297392448746.094
2013	1302337939956.4744
2014	1329325783300.7795
2015	1159811548008.5933
2016	1184397399770.431
2017	1265915077947.061
2018	1383100855156.0774
2019	1353328257003.9194
2020	1259736083933.0774
2021	1431750906740.287
2022	1400622083828.7993
2023	1515514758384.3406