Year	current US$
1965	196040000
1966	204840000
1967	174550000
1968	193540000
1969	362940000
1970	508000000
1971	277092117.736488
1972	158395429.13001
1973	185524126.907563
1974	164363676.005514
1975	142002753.4106
1976	92660691.780345
1977	66311282.2673962
1978	51089885.1139815
1979	79959141.6337015
1980	78200000
1981	56168831.6428858
1982	58195058.0962517
1983	54520939.1195319
1984	54209802.0956977
1985	200110984.182777
1986	70324463.9340452
1987	108828373.221354
1988	134026913.91584
1989	116226283.281205
1990	193128453.144784
1991	184628608.619777
1993	192326097.610916
1994	268127772.141144
1995	222702264.273228
1996	222709084.988899
1997	239085489.886015
1998	69382429.8275874
1999	45429575.7564944
2000	244824131.796944
2001	183446871.748212
2002	535132846.101975
2003	247729406.935735
2004	337106225.049386
2005	559788508.275448
2006	719716911.583293
2007	1089952022.63547
2008	1095608609.0688
2009	1892077713.20001
2010	2093753266.11924
2011	2324018126.65836
2012	3042223849.42813
2013	2683813403.45787
2014	3078362296.84348
2015	2967626716.43206
2016	2352719004.10271
2017	2082083919.53427
2018	1569229906.13102
2019	1448624290.19898
2020	1203448374.22209
2021	2753875454.29119
2022	2967565317.1942