Year	constant 2015 US$
1970	600710569047.3334
1971	634392492544.6984
1972	695102939301.468
1973	770089103040.318
1974	789939965226.7557
1975	747715415885.056
1976	840522758365.2822
1977	866315621711.3275
1978	904934029289.2374
1979	992645743950.2761
1980	1025719085124.3597
1981	1006991447411.6046
1982	1012031897718.1274
1983	1015591310720.2533
1984	1074919846766.4775
1985	1120338605810.0112
1986	1174985285917.8547
1987	1267499827293.223
1988	1370524585421.3784
1989	1498386749991.4697
1990	1613759565598.6567
1991	1701762346676.2756
1992	1766459674750.1616
1993	1685023974063.0906
1994	1830808730286.3413
1995	1981134270988.25
1996	2065584569210.6787
1997	2272760030535.4487
1998	2502000651918.4917
1999	2693864287418.113
2000	3018860345931.633
2001	3098333524088.5986
2002	3119047521154.757
2003	3214387148238.549
2004	3439586744268.7085
2005	3651527658009.72
2006	3963508673933.3506
2007	4234043940197.035
2008	4244670817969.1426
2009	3761236189038.3794
2010	4126597299703.6606
2011	4307198936946.124
2012	4254744243801.744
2013	4314323532213.9673
2014	4519616602431.42
2015	4874041465835.206
2016	5084381393238.553
2017	5350678300472.437
2018	5557931615835.609
2019	5834760074404.521
2020	5337077264924.362
2021	5829499046139.702
2022	6293754596016.249
2023	6193930237962.619