Year	constant 2015 US$
1970	3408224957748.634
1971	3614676128352.9893
1972	3838088190473.9136
1973	4104193305603.0054
1974	3948833674123.146
1975	3796257049807.202
1976	3952472684495.269
1977	4158788202878.502
1978	4422445405608.78
1979	4646302804352.686
1980	4640347946829.238
1981	4646748302052.561
1982	4541700567030.366
1983	4661565155807.551
1984	4964062331056.019
1985	5207383188676.075
1986	5436430084767.54
1987	5715114030041.257
1988	6130001858525.208
1989	6488339034042.742
1990	6705408605189.4795
1991	6591275916531.31
1992	6436505300560.504
1993	6313090503359.267
1994	6496471176635.54
1995	6784403673132.666
1996	7137198810773.292
1997	7389629427892.56
1998	7675345454135.759
1999	8050204228437.422
2000	8475385737503.449
2001	8475303309256.509
2002	8391359803316.718
2003	8637069729039.297
2004	9026168793165.975
2005	9476194427801.928
2006	9890828986495.184
2007	10216899598607.041
2008	10086908546814.379
2009	9045883195964.363
2010	9225853632791.89
2011	9563728313484.2
2012	9866376917684.93
2013	10076322849269.205
2014	10434235093329.92
2015	10756215506223.629
2016	11002771327439.764
2017	11399093121176.422
2018	11762493605560.348
2019	12120557502384.773
2020	11733357989437.951
2021	12308406741179.82
2022	12569925551833.812