Year	constant 2015 US$
1970	45751393852.75196
1971	46142883244.129074
1972	49304468348.4719
1973	53014235255.1474
1974	55600374483.5161
1975	55847766523.126274
1976	54326814623.685905
1977	53454135532.348885
1978	54773453512.090515
1979	54402481912.16723
1980	54424217298.07005
1981	55508688087.30976
1982	55003808992.48593
1983	56649525968.02595
1984	58547559057.86364
1985	59382923691.138275
1986	61307821963.42336
1987	62764010530.16964
1988	64138344810.753334
1989	65535332205.931076
1990	65992184661.51782
1991	64688832789.97195
1992	65061111246.709335
1993	67069752959.43096
1994	70199760804.75603
1995	73073024285.63959
1996	76062577799.47351
1997	78195060583.34352
1998	80224845621.43692
1999	82470597465.08832
2000	83641801983.99556
2001	86223586185.2543
2002	89801384264.02138
2003	95002709252.2534
2004	99896696943.81007
2005	105023264003.90526
2006	108353379940.37555
2007	112713491518.33192
2008	113313818581.21657
2009	114362692515.55992
2010	116785144092.47025
2011	120066177583.2912
2012	122073308809.42833
2013	126163839676.42392
2014	130212838438.60597
2015	135072089820.25488
2016	142282811067.13855
2017	148764078871.6679
2018	155137362924.73715
2019	160067596715.4239
2020	163348629508.88263
2021	173314059171.18497
2022	177650762391.25504