Year	constant 2015 US$
1970	1441326889152.496
1971	1521352485767.1646
1972	1661511984997.9387
1973	1843697117659.8914
1974	1891826392402.0615
1975	1763669743751.1453
1976	1971767110321.0535
1977	2061171606972.9185
1978	2167901807447.1462
1979	2345347351287.494
1980	2338847488097.746
1981	2357449942219.3384
1982	2359878148193.6025
1983	2435884623275.7646
1984	2695547896569.6685
1985	2822410961989.792
1986	3009025318542.396
1987	3220547187173.079
1988	3492875825683.1294
1989	3778712660776.7485
1990	3950311366596.264
1991	3997436252016.453
1992	4127579916026.289
1993	4161065006351.9785
1994	4570877290650.277
1995	4980706566144.983
1996	5314400476706.38
1997	5826249953525.228
1998	6169887571566.857
1999	6651103029687.084
2000	7456041996724.965
2001	7484444858800.685
2002	7664356671776.442
2003	8010106447494.42
2004	8757578257121.687
2005	9360263709996.307
2006	10099146140776.771
2007	10647974278001.9
2008	10761691141971.541
2009	9542056451201.889
2010	10638571662624.99
2011	11224906607566.678
2012	11391133290552.088
2013	11670920806404.396
2014	12108712919689.82
2015	12637363370613.635
2016	12936983458434.465
2017	13601907987816.918
2018	14147202076218.088
2019	14325264093698.543
2020	13114926123497.041
2021	14486214079659.484
2022	15453211638354.068
2023	15394003749230.646