Year	constant 2015 US$
1960	1955351084.8045058
1961	2151664528.5394373
1962	2469917159.725405
1963	2782980889.319951
1964	3218848623.4200473
1965	3032048166.0236425
1966	3005238841.1170964
1967	2620395305.981835
1968	2399002171.2391987
1969	2114477400.4500363
1970	1972594509.024003
1971	1791579954.062205
1972	1624067650.3468616
1973	1809301658.7246675
1974	2533359878.4668007
1975	4153229935.9960504
1976	3903155297.891168
1977	4574344766.852281
1978	6443720559.494691
1979	8121845060.810166
1980	7945719970.006292
1981	9642503987.804848
1982	11615831335.445297
1983	13311477389.519785
1984	14566781734.839363
1985	15530466905.08811
1986	16394052437.458939
1987	17016605664.356237
1988	17265177486.793247
1989	15355836828.656698
1990	15089000984.659489
1991	14523844048.88197
1992	14635599659.79402
1993	12339906114.264627
1994	14211569637.31967
1995	16081437671.981016
1996	20616558609.17663
1997	25325492139.911346
1998	19787609294.951595
1999	22374502256.105408
2000	24393420810.725468
2001	23898745849.002983
2002	25722498592.12424
2003	24138415099.10168
2004	25647066041.570385
2005	28287205193.34092
2006	32058832554.413284
2007	39677519822.211266
2008	45809267893.72873
2009	41644788994.29884
2010	44966152534.26262
2011	43969743471.293365
2012	46524638503.54262
2013	42607139135.016815
2014	43335169991.114525
2015	47061994609.16442
2016	52348885347.42371
2017	58277136604.21938
2018	63251333806.71269
2019	70800956482.21611
2020	57505438719.02188
2021	56399028499.52865
2022	65408368858.25668
2023	51304428978.57865
