Year	constant 2015 US$
1970	676847054698.5634
1971	721012404542.9017
1972	786029342616.2106
1973	869141862993.2892
1974	929509946379.3442
1975	892249867712.6577
1976	976834061492.8342
1977	1029540003969.499
1978	1090901304049.6035
1979	1171444351674.3835
1980	1188092042065.8293
1981	1255015907920.953
1982	1268000599879.5447
1983	1311269914656.7593
1984	1419220474199.339
1985	1484853657038.235
1986	1495197653959.5889
1987	1552846568092.7861
1988	1639688262516.302
1989	1758308847628.24
1990	1821783973780.6736
1991	1900271756582.3196
1992	1968245048885.5193
1993	1997415715577.5752
1994	2183367854523.941
1995	2383157876748.8086
1996	2509410007513.611
1997	2784521213084.8022
1998	2984840875081.2173
1999	3152646217368.8667
2000	3566619105145.851
2001	3708503596091.5405
2002	3795784908112.107
2003	3858167067849.57
2004	4183356287820.602
2005	4427199406254.624
2006	4832156341301.103
2007	5175741619976.534
2008	5243408882411.938
2009	4618053280806.227
2010	5125621621091.2
2011	5469149963168.713
2012	5589839551632.108
2013	5706795650770.678
2014	5980777290854.346
2015	6376941839305.01
2016	6599927000362.018
2017	6980362671233.558
2018	7242106160319.839
2019	7489995486772.64
2020	6857429085136.666
2021	7629334604281.165
2022	8198579940133.075
2023	8171804578269.331