Year	constant 2015 US$
1970	3416462316143.795
1971	3551465799057.739
1972	3770787560872.4004
1973	3962074251398.2803
1974	3945218505940.901
1975	4039235375883.2817
1976	4262998298292.2847
1977	4438527587143.166
1978	4628183861849.25
1979	4737895342490.968
1980	4730118736394.808
1981	4795037467663.896
1982	4850826158118.116
1983	5114408212302.878
1984	5378393722851.842
1985	5655827416089.223
1986	5886554858016.101
1987	6087944978139.769
1988	6342013543566.53
1989	6529073122907.725
1990	6657680489928.143
1991	6663799697175.827
1992	6899390981535.366
1993	7132297496671.495
1994	7404042471166.891
1995	7619110597683.147
1996	7881029467250.446
1997	8183465633074.584
1998	8604456173534.058
1999	9059601708714.203
2000	9510417653293.799
2001	9745506129806.605
2002	10002107867761.1
2003	10315961296466.34
2004	10700304292656.258
2005	11081808985029.812
2006	11411862153401.027
2007	11703529069565.021
2008	11742419115020.266
2009	11599875261022.076
2010	11833960618410.207
2011	12039939095160.254
2012	12208903114064.393
2013	12429212287116.115
2014	12778834207619.81
2015	13200477428032.213
2016	13521478301142.857
2017	13887475780371.5
2018	14266974293240.117
2019	14548365226198.23
2020	14144112712693.059
2021	15302199864036.836
2022	15714626440238.252