Year	constant 2015 US$
1960	1970617980.3078918
1961	2056631952.2396963
1962	2134392978.7886689
1963	2280011372.5614448
1964	2438467886.914546
1965	2535851349.8399878
1966	2614345904.990408
1967	2662946461.31638
1968	2876238993.3544006
1969	2892378056.2302895
1970	3004067702.8021135
1971	2919704375.442774
1972	3095766952.066431
1973	3433220226.818853
1974	3359860822.78274
1975	3493741614.3294497
1976	4032933487.1949143
1977	4595966583.087098
1978	4724319601.59852
1979	4663852195.410961
1980	5028737728.7339735
1981	5065503761.559296
1982	5164471447.40356
1983	5087470888.090149
1984	5465305464.420821
1985	5481838617.546674
1986	5802674281.352554
1987	5890774020.386818
1988	6013674312.504169
1989	6330925866.191857
1990	6352892992.722711
1991	6670260162.865826
1992	6815127581.514031
1993	7113996118.789059
1994	7147062425.040764
1995	7268112853.871306
1996	7647681677.033362
1997	7887932671.407639
1998	8243800121.2074585
1999	8172233535.299047
2000	8724267425.019386
2001	9120380962.952837
2002	9501915265.857126
2003	9920238724.877825
2004	10414163784.101284
2005	11053511220.95899
2006	12014064294.279938
2007	12743476949.914143
2008	13124791581.553125
2009	13134040897.987167
2010	13613247982.434958
2011	14103380821.920462
2012	14706274390.382494
2013	15260366253.009405
2014	15650328995.51422
2015	16260945743.198677
2016	16911299866.612896
2017	17791048599.236935
2018	18775626771.99531
2019	19670336273.951416
2020	18167750134.304436
2021	21225736010.43678
2022	22443431642.269676
2023	23531121713.39801