Year	current US$
1970	11397710928.65232
1971	12593816425.120773
1972	14527928018.353886
1973	19171470359.42119
1974	25606355758.62612
1975	31212941651.850655
1976	32005210032.31266
1977	33553815847.72023
1978	34886261371.841156
1979	43627514883.22393
1980	54096270321.96366
1981	51683659410.30587
1982	52744541754.03972
1983	50853970964.98719
1984	51808468539.77048
1985	55159247889.4858
1986	72168660567.67534
1987	90921141620.45178
1988	108528784648.18762
1989	121012886240.82028
1990	142943554657.12952
1991	129286869578.00323
1992	111809131935.22699
1993	85428333506.81793
1994	97838360842.34491
1995	125065359477.12418
1996	124128915350.76366
1997	118233879280.72386
1998	124224521584.33466
1999	123779276656.37093
2000	115184644600.78456
2001	117428674246.85052
2002	127674201136.86298
2003	159597682050.19574
2004	184513006230.88852
2005	195979052426.45905
2006	206528428087.05853
2007	243287261521.5694
2008	274669466810.93744
2009	247631065962.10922
2010	245431252216.6671
2011	277168913871.5959
2012	262242070182.42194
2013	274223172147.05957
2014	277473330813.3324
2015	235868016879.29675
2016	243847435049.41693
2017	255530493074.11807
2018	279169379436.07825
2019	268101830878.43094
2020	271678197690.27313
2021	296371066899.2201
2022	289409357217.89996
2023	301088980731.37787