Year	constant 2015 US$
1970	3500667467478.53
1971	3606585683071.469
1972	3707416087638.636
1973	3805079836145.6064
1974	3920119347690.7954
1975	4102396946435.678
1976	4184554792169.2007
1977	4277467655975.726
1978	4414442442313.144
1979	4513441389093.853
1980	4628686033156.098
1981	4754760130775.271
1982	4851600629223.471
1983	4972723029188.82
1984	5060705033987.762
1985	5227692268593.006
1986	5389500407750.277
1987	5522822683809.027
1988	5647361345896.9795
1989	5775096485115.455
1990	5947904490052.598
1991	6057145841330.792
1992	6123192993782.571
1993	6163331309033.545
1994	6218038308870.727
1995	6284132004959.802
1996	6358804583236.235
1997	6437406563968.882
1998	6567964361765.42
1999	6742151629522.569
2000	6898242951312.079
2001	7098068835593.321
2002	7306234026029.717
2003	7456099546474.497
2004	7590272033551.07
2005	7702943453742.18
2006	7844752796178.782
2007	8000340473588.544
2008	8192969508098.553
2009	8443103546061.765
2010	8511140670014.819
2011	8497296657412.294
2012	8527101461014.304
2013	8550601216400.396
2014	8623801686477.115
2015	8743797314838.544
2016	8871401153094.914
2017	8965551601700.268
2018	9114212378700.75
2019	9371923776271.826
2020	9523439871644.404
2021	9869650477084.352
2022	10003171026547.984