Year	current US$
1971	38270395.09009952
1972	45480728.19016782
1973	56403366.15168983
1974	70662568.12269217
1975	82814892.61728995
1976	64217952.192222714
1977	67726440.89211982
1978	99953536.32739696
1979	105161849.91499972
1980	112005160.17747198
1981	85726584.62176625
1982	115335605.92348193
1983	94996683.7243926
1984	83303457.3730476
1985	82488434.06216861
1986	95944077.23409761
1987	112052919.53795625
1988	131734886.08303548
1989	117714809.0432594
1990	144567177.3758713
1991	142237015.1877422
1992	134632926.42893547
1993	168914320.06628248
1994	128717736.92634617
1995	175248850.72962245
1996	195385906.77792302
1997	192092917.63214195
1998	196091051.34059474
1999	484312422.6001214
2000	492230594.7290141
2001	573333637.6033615
2002	656120864.911806
2003	842328328.9414015
2004	916681815.773151
2005	1029205292.8518462
2006	1085950726.861838
2007	1122583382.644179
2008	1198995400.5407815
2009	1189974510.6577857
2010	1119438570.4092906
2011	1254708362.1629488
2012	1193479627.9034734
2013	1367170240.4454553
2014	1379814512.525819
2015	1142878265.5785677
2016	1173981451.3907366
2017	1221907960.4258454
2018	1306787720.8427532
2019	1419748245.9679627
2020	1519717922.4493773
2021	1676745644.7182057
2022	1711735175.5768228
2023	1979589665.0093298
