Year	current US$
1970	225194318.1818182
1971	290564772.72727275
1972	305401087.69544524
1973	429005880.394985
1974	615641820.9104552
1975	578989590.1106051
1976	563608168.1945435
1977	735436717.4536129
1978	832986610.6008631
1979	1037270277.9353375
1980	1185819784.8924463
1981	1245839816.173417
1982	1169312796.016678
1983	1025825470.5588741
1984	1077216891.6850984
1985	1181924654.9435406
1986	1369556638.9809315
1987	1927004902.1128728
1988	1970826754.080067
1989	1753605110.6381636
1990	2067695843.441917
1991	2222220478.233381
1992	2126363945.9978902
1993	1820239056.7310424
1994	1933731892.7605355
1995	2247449054.5154943
1996	2621869172.9323306
1997	2654797381.823105
1998	3241180129.7381706
1999	3320939762.4672875
2000	3520829004.273939
2001	3112265208.171242
2002	3160502456.314906
2003	4066221668.904561
2004	5256645899.728886
2005	7093787735.167518
2006	8231507893.98689
2007	9057418952.462727
2008	7661403285.35417
2009	5350549845.355488
2010	5761759442.666377
2011	7133334342.604257
2012	7251755950.242382
2013	7343638309.9095335
2014	8066623022.426995
2015	7736736412.41335
2016	8493798576.654883
2017	10199603325.415844
2018	11184534229.847706
2019	9662621975.900143
2020	7498116408.248215
2021	10072027002.523657
2022	13186348316.409948
2023	13468992197.649778