Year	current US$
1971	17899999.62
1972	22579916
1973	22540000.92
1974	21659982.68
1975	59220001.22
1976	74699996.95
1977	75019996.64
1978	76000000
1979	84779998.78
1980	106440002.4
1981	126620002.7
1982	97040000.92
1983	89879997.25
1984	90000000
1985	95779998.78
1986	105419998.2
1987	113160003.7
1988	124099998.5
1989	122800003.1
1998	327300000
1999	422050000
2000	578000000
2001	623580000
2002	675660000
2003	811000000
2004	931540000
2005	986154000
2006	1062869000
2007	1222089000
2008	1369753973.31507
2009	1375546872
2010	1473804720.89074
2011	1551366394.17808
2012	1612326050.46575
2013	1780995273.91781
2014	1977033926.32877
2015	2195560227.13699
2016	2227109372.28529
2017	2419165423.80706
2018	2735177966.7063
2019	2695149513.65524
2020	3257277839.54326
2021	3994393882.96965
2022	3797752749.14858
2023	4247298339.84375