Year	constant 2015 US$
1978	1508921444110.8352
1979	1618061577145.504
1980	1735194234237.934
1981	1779689348893.0298
1982	1824487534795.7256
1983	1870575926922.7258
1984	1981087605271.7131
1985	2076601079646.9038
1986	2170224200046.6028
1987	2282601479735.36
1988	2375604471016.9517
1989	2460211509162.7812
1990	2521210955279.2607
1991	2612852393352.226
1992	2765342977962.84
1993	2938295701127.0977
1994	3080012500780.272
1995	3191244120146.107
1996	3369646091198.9604
1997	3575129534750.9014
1998	3693052915841.747
1999	3838065007117.556
2000	4068747662390.169
2001	4252703333780.4683
2002	4474709308143.417
2003	4704974675340.866
2004	5070045809576.824
2005	5466062081377.73
2006	5961320456396.071
2007	6579946799557.513
2008	7023495370207.843
2009	7327048638920.717
2010	7887865753113.968
2011	8453237623566.495
2012	8967270241207.57
2013	9501435682584.535
2014	10021839886463.984
2015	10561075957514.71
2016	11102790874492.75
2017	11764581506345.6
2018	12456966366647.041
2019	13080290172560.186
2020	12967072585114.55
2021	13954967037896.521
2022	14439915289643.957
2023	15201881136063.883