Year	constant 2015 US$
1960	751799549.1805116
1961	843288422.3189538
1962	875111199.749186
1963	918864084.2665907
1964	1050133110.8370651
1965	1212480672.806138
1966	1326559573.4603686
1967	1399525278.9344893
1968	1469833116.3458188
1969	1629028806.0552301
1970	1670150423.2988749
1971	1670150423.2988749
1972	1797502024.3447127
1973	1866480876.9723094
1974	1956685081.5824854
1975	2004438786.8307135
1976	1963317272.3737526
1977	2099946197.5003848
1978	2331894379.4347816
1979	2211388079.1402526
1980	2533741148.850558
1981	2449742915.0422277
1982	2361983262.476328
1983	2234105304.7732778
1984	2358222254.6576056
1985	2489234522.1471834
1986	2528726335.2412934
1987	2541626940.6559067
1988	2710451200.236109
1989	2820496106.6876974
1990	2813623794.9015
1991	2793929342.9399858
1992	2682711766.000212
1993	2277734225.861631
1994	2618993805.377432
1995	2824475667.7950616
1996	3074052315.282049
1997	3516020423.3674173
1998	3435156293.52971
1999	3520408334.168043
2000	3492826652.8081784
2001	3521587940.895155
2002	3656345820.202729
2003	3902058527.138478
2004	3863870432.9666443
2005	3683570670.815648
2006	3781190159.5718546
2007	3736756622.9860487
2008	3887558864.9966364
2009	4099579483.1691146
2010	4339583325.037388
2011	4592288208.173324
2012	4881726146.737305
2013	5166050854.810922
2014	5457066909.169648
2015	5755461035.443332
2016	5998047709.914579
2017	6238457455.223684
2018	6537595250.140162
2019	6859436221.048702
2020	6996086823.981086
2021	7415213717.728684
2022	7842296104.395495
2023	8344824334.036601