Year	constant 2015 US$
1960	39509517124.55004
1961	40686315261.12293
1962	42946426470.70358
1963	45525186852.48654
1964	49216121467.840996
1965	51528700385.07691
1966	53971546660.18338
1967	56329299567.86688
1968	60414173339.50295
1969	64513556118.48764
1970	68942567859.01953
1971	72690754233.10095
1972	75006627087.14035
1973	80162187174.03754
1974	84801461880.52425
1975	89470068309.97519
1976	91706102410.06381
1977	91952598680.8568
1978	93237469315.41019
1979	96085940379.74391
1980	104467127294.9721
1981	110661689162.16371
1982	114125498992.21227
1983	117212623620.66403
1984	123245861011.55237
1985	121141192248.26878
1986	122023183040.93115
1987	126689750366.6466
1988	132164979177.61385
1989	136231736296.83084
1990	139924553161.7873
1991	140231516701.04395
1992	139483479338.38934
1993	141843029198.39703
1994	146276291638.8905
1995	150240281545.327
1996	156711697279.36514
1997	161385280423.81995
1998	162640572164.66556
1999	164966200718.39203
2000	171326158312.877
2001	177163639753.11166
2002	183357147638.95325
2003	189757368301.34824
2004	201145339957.80634
2005	211075961860.9175
2006	227190032233.5245
2007	241841468633.0947
2008	248196524661.39114
2009	244253850972.8878
2010	254676032547.23273
2011	265016917032.00613
2012	274510198545.96222
2013	279786139592.3361
2014	282587321841.1538
2015	286611792560.40845
2016	289446728634.50635
2017	293070626216.59985
2018	300948826244.8336
2019	305184873214.8039
2020	291336614029.0337
2021	304621629032.1316
2022	311091137529.7042
2023	314369204992.66705