Year	constant 2015 US$
1960	1696430402.1603155
1961	1946939619.4210932
1962	2091971271.3353915
1963	2219423267.202125
1964	2320505870.858017
1965	2513881414.096175
1966	2627207303.0450544
1967	2735320899.3637176
1968	2803944654.17385
1969	3030584989.1845264
1970	3293619830.317031
1971	3631503425.9633107
1972	4043205904.719315
1973	4454902662.031778
1974	6214014316.313159
1975	7406490804.13761
1976	10045078184.81212
1977	8781197289.68249
1978	6669389058.07285
1979	6701028991.8896055
1980	6872102050.968599
1981	7222258278.851466
1982	6998547355.481857
1983	7391042735.228778
1984	7946028913.78889
1985	7760652085.268968
1986	7698287660.975656
1987	6378336008.800519
1988	7197655800.480863
1989	7812717800.632606
1990	8218372646.586677
1991	8720720960.856174
1992	8451237981.300996
1993	8784770737.081781
1994	9110927737.901413
1995	9564091413.413551
1996	9910794415.494171
1997	10479512210.802357
1998	10843972206.243214
1999	9875321072.273144
2000	9689372094.826242
2001	9896262806.174417
2002	9871617829.340816
2003	10093465659.440622
2004	10163064451.253828
2005	10435048720.844324
2006	10142180902.039347
2007	10751534086.712282
2008	10395827037.772657
2009	10409376035.565186
2010	11147389066.63466
2011	11937934403.37885
2012	12564804521.261454
2013	13273296028.579344
2014	13846034032.37112
2015	14383107762.695183
2016	14683922149.308834
2017	14753324537.172739
2018	14876945089.692127
2019	15460241661.125925
2020	15176119359.553293
2021	15398898313.837267
2022	15855897831.779387
2023	16214753599.298986