Year	constant 2015 US$
1970	100761871.70256217
1971	103080982.17250475
1972	104180768.798418
1973	139529311.0599868
1974	160915356.59009576
1975	161034897.6645414
1976	161608701.5061851
1977	165529674.7139527
1978	174865894.84360516
1979	178571695.14572585
1980	165720940.94724274
1981	181835189.87315682
1982	177069172.74269193
1983	180486601.86243048
1984	173352871.6551915
1985	202043944.26594704
1986	218165732.31614196
1987	220783197.61087674
1988	226410747.99455646
1989	234394017.14349744
1990	243162525.8808589
1991	261223036.41452873
1992	271692897.5934678
1993	293810479.33397645
1994	292240000.1571356
1995	312739072.23264503
1996	302786553.06921035
1997	284434849.5215013
1998	292542710.0184717
1999	296563529.3309785
2000	310899125.00371134
2001	317638182.0248002
2002	319375655.48744506
2003	324396608.28907
2004	314404696.2729496
2005	320824422.52808076
2006	320564377.3510489
2007	314678221.39624935
2008	307099219.76208013
2009	310456119.0025774
2010	317470533.3726723
2011	327593318.65352947
2012	321477741.8656465
2013	309648107.46609277
2014	302508316.50838006
2015	316489900
2016	318022033.310273
2017	320639498.6050077
2018	320639498.6050077
2019	333726825.0786815
2020	327183161.8418446
2021	336344290.3734163
2022	333726825.0786815
2023	336344290.3734163