Year	constant 2010 US$
1973	22262714850.5669
1974	22242850828.2558
1975	23154564265.7071
1976	24839394451.0903
1977	28640532951.5979
1978	33181380522.1133
1979	36310866802.917
1980	40443937621.5857
1981	44342703283.6363
1982	46693091044.2528
1983	50225049482.433
1984	53037050011.8026
1985	55185073054.838
1986	59703912197.4722
1987	65366964111.9471
1988	70972229792.8189
1989	73830278733.5094
1990	78348553559.4725
1991	85473981184.1915
1992	93403450237.5887
1993	100016137812.899
1994	106160666526.412
1995	108130703425.138
1996	112210728273.163
1997	118007410878.869
1998	112590176224.778
1999	114164738511.173
2000	118970364464.647
2001	121491176503.227
2002	120941417133.578
2003	119803863310.129
2004	127228492774.221
2005	130534497969.992
2006	137494015872.014
2007	148323519176.792
2008	151165880058.326
2009	151873084376.207
2010	160583457756.268
2011	172782337036.17
2012	179751448358.562
2013	187618503755.739
2014	193811338146.652
2015	202551394699.514
2016	206623653720.71
2017	217352675728.123
2018	229147741200.747