Year	constant 2015 US$
1960	32267753700.11051
1961	34674210603.48668
1962	37153261825.78355
1963	41962924759.76636
1964	48371835136.24447
1965	49597275481.24642
1966	55270487831.18313
1967	60680410553.14874
1968	67961540079.308105
1969	81818438516.05379
1970	87779863482.0237
1971	94143267187.29283
1972	108040255653.31548
1973	124193093523.91507
1974	131038654917.52443
1975	119399683844.26701
1976	141604961132.76736
1977	144149022043.86462
1978	150535178529.9818
1979	163786400536.81265
1980	172214957228.09546
1981	169809584318.81342
1982	175858772863.94464
1983	171113036734.18097
1984	176933605710.14737
1985	185327491233.11105
1986	197679406442.54892
1987	212845175046.1071
1988	230817212413.66528
1989	249440433991.8602
1990	262017717897.69336
1991	269762586088.6957
1992	274528908120.63205
1993	265416661819.55588
1994	288939476789.5703
1995	310675597661.7828
1996	318274192111.33673
1997	343658462376.7492
1998	384555221805.0144
1999	411284116290.1398
2000	474430576793.5331
2001	485730411937.6163
2002	495180711283.28546
2003	499605730507.3722
2004	530601454306.6905
2005	564135821265.6611
2006	595730721968.3811
2007	630019205977.3904
2008	638177971295.1631
2009	578479212257.6108
2010	629920606895.3394
2011	666691392999.4152
2012	668026266819.8452
2013	684182355563.2144
2014	717698303498.6879
2015	760028534719.9215
2016	782287987303.8453
2017	817388013421.5735
2018	842556666499.3862
2019	862308896219.2073
2020	756033664767.4269
2021	827019257677.01
2022	897801150676.9518
2023	893975307246.7538