Year	constant 2015 US$
1980	19267220789.1494
1981	20139500270.496582
1982	21202612943.48704
1983	21691915722.138077
1984	22810200550.66923
1985	22785509545.71056
1986	23219321637.603085
1987	24546328767.342834
1988	26156553566.709774
1989	25158288291.952213
1990	26591384969.387367
1991	19930273268.994267
1992	19451946792.2267
1993	18887840233.82249
1994	18056775371.54438
1995	21411631227.295795
1996	22157892580.127083
1997	14990142019.637175
1998	14577389231.194283
1999	15611086497.687735
2000	17016011670.66418
2001	18322059973.07219
2002	19365003900.439224
2003	20622719963.188995
2004	22576204710.690285
2005	24227612960.327583
2006	26294950765.333664
2007	29316850303.58996
2008	30340223077.574253
2009	29046484747.00408
2010	29733744234.63267
2011	30325133434.676258
2012	31456459556.16012
2013	30241119295.082535
2014	30655687378.91165
2015	31519767982.75471
2016	32202489231.91774
2017	33024647857.93517
2018	34252014450.94649
2019	36293427568.718056
2020	36089150109.786934
2021	39145880628.26642
2022	40651611423.15917
2023	42844318065.77641