Year	constant 2015 US$
1980	73630717.35893431
1981	72257938.84793581
1982	71279677.8945168
1983	69683250.46603078
1984	71253549.2741318
1985	73343366.70062272
1986	76490726.52834517
1987	79397178.63412671
1988	81439554.60087241
1989	84252731.9678659
1990	85663845.238186
1991	93237418.94055632
1992	151173935.59993324
1993	155904687.0551921
1994	163711148.0472889
1995	168768917.2248262
1996	170638653.60976252
1997	175896134.25565857
1998	188770347.46627823
1999	202065184.04971942
2000	217868282.4185666
2001	233545064.7240263
2002	251620044.034273
2003	261964673.63603273
2004	261475911.31689733
2005	258419465.14509043
2006	252822245.27527973
2007	277758440.24316484
2008	276936581.0675724
2009	298663906.3777379
2010	313289233.81278914
2011	317118178.8469898
2012	327472549.2319166
2013	349325634.5002677
2014	352687589.3869401
2015	376817650.84572697
2016	396565929.40466833
2017	406727276.7935879
2018	421505521.40112233
2019	423580002.0326614
2020	321397451.8354832
2021	374986480.9512905
2022	399830200.36044866
2023	420896668.5563559