Year	constant 2015 US$
1970	1039215137673.207
1971	1126339023020.3567
1972	1208573083853.7927
1973	1320374065874.7915
1974	1411752520665.1738
1975	1469660436227.6125
1976	1543862893062.8677
1977	1613749546048.4297
1978	1676687288081.5986
1979	1800788122459.6108
1980	1918698978110.3796
1981	1923076013695.3152
1982	1891829353462.8823
1983	1850914618578.3337
1984	1927904118825.9285
1985	1997968802299.9595
1986	2069797352150.4832
1987	2147234184242.0173
1988	2156665276146.076
1989	2267848875193.504
1990	2191879423648.626
1991	2268875460434.654
1992	2325899470196.5146
1993	2428798270075.3086
1994	2543452637820.141
1995	2567003594815.3833
1996	2670017726290.7856
1997	2814298096195.3247
1998	2886823624517.723
1999	2890603501738.261
2000	2994079015813.7676
2001	2999087312815.625
2002	3004108296416.892
2003	3078346932488.534
2004	3214527588798.5513
2005	3338503385981.055
2006	3553867058104.2646
2007	3751185638904.8857
2008	3891891934430.128
2009	3797776837863.4707
2010	4034891221863.9844
2011	4217897077526.984
2012	4318788357511.274
2013	4453342886373.259
2014	4511701918327.4375
2015	4532854754203.775
2016	4502612677110.88
2017	4591190590615.07
2018	4635421170883.073
2019	4667165190075.054
2020	4386087847217.189
2021	4666588195070.796
2022	4857624009463.69
2023	4964013695623.838