Year	constant 2015 US$
1961	35846695772.94186
1962	37508686646.76767
1963	40808771514.77408
1964	46354810391.24351
1965	48457381557.85216
1966	54820097215.03686
1967	60705248289.28457
1968	68164956544.6243
1969	73610096615.93445
1970	80362183849.53146
1971	84274301438.70819
1972	91543401600.75687
1973	100769035226.26213
1974	96222125051.97733
1975	88248247971.43768
1976	95156425409.5068
1977	101308617994.70595
1978	111442533236.56505
1979	115695470111.06432
1980	116948364453.72893
1981	118940553603.70354
1982	117337167522.28754
1983	124096461589.96979
1984	147243331579.71484
1985	153928468607.12628
1986	160894682329.75146
1987	166046417609.12982
1988	181130270520.0487
1989	182747122495.88174
1990	191159303491.8147
1991	194343885862.54578
1992	208892517953.8628
1993	231441199600.76273
1994	261120151322.63602
1995	284278970143.19946
1996	301207835921.2503
1997	327204537250.7985
1998	358353543931.56195
1999	397028071276.1516
2000	432623088544.049
2001	420968478916.7745
2002	426022160276.2369
2003	418814889057.74097
2004	442095659459.8571
2005	452177797477.49194
2006	456187210454.78534
2007	461130509797.61365
2008	440130970606.5703
2009	383132818145.0009
2010	408710181200.11383
2011	428317046623.6808
2012	440156575355.7513
2013	450955438340.7039
2014	479451670077.24115
2015	495747450357.72815
2016	503308816732.018
2017	510812336845.6974
2018	529069391804.3827
2019	541166857319.838
2020	492565334388.33215
2021	506009006951.62646
2022	522205026224.6532
2023	552101138562.752