Year	current US$
1970	3170125990.939977
1971	3661152315.998863
1972	4376139948.379696
1973	5968201338.10487
1974	7898120371.82921
1975	9866442540.811378
1976	9525688567.471918
1977	9779991146.525011
1978	9386916967.509026
1979	11212417951.457792
1980	14655722027.414728
1981	14225682006.062277
1982	14475144936.474651
1983	14167378309.13749
1984	13921646220.815197
1985	14892555640.828857
1986	19216514191.883648
1987	24655755444.33924
1988	30726368159.20398
1989	36366911459.05501
1990	41977919452.65122
1991	33061314512.57168
1992	25011945845.5004
1993	17084417612.157803
1994	19268070574.843483
1995	25870098039.215683
1996	27090344292.001038
1997	27110296644.141563
1998	29769692923.89853
1999	30358642117.760685
2000	29056850792.156925
2001	29631007289.763817
2002	30330222818.82358
2003	37391637923.13718
2004	43954532259.45957
2005	46955699150.194534
2006	49417858496.47052
2007	62031947489.019806
2008	69982957469.53123
2009	58190322640.62496
2010	55612488450.00011
2011	62331756225.68105
2012	59607770431.64064
2013	59721483869.411934
2014	59018647343.13705
2015	49791609992.5781
2016	54762924604.669395
2017	59691223683.52952
2018	66376729178.03917
2019	63976848760.78421
2020	65369025511.284225
2021	70013495395.34772
2022	68068010920.23373
2023	70105132729.41301