Year	constant 2015 US$
1960	2837471759.59707
1961	2999634086.586855
1962	3567125894.1190534
1963	4026532809.5700173
1964	4485939721.477266
1965	4837229936.463082
1966	5918174285.9708805
1967	7161300045.372583
1968	8323319199.179091
1969	9052960608.22128
1970	9295898756.293331
1971	8067594832.041409
1972	9100479541.340553
1973	11249963697.09148
1974	10607917424.785324
1975	10412498206.28883
1976	11194111459.963264
1977	13399447856.38612
1978	14292765584.316986
1979	17279715234.414276
1980	17251789114.078312
1981	17348735366.409073
1982	14811529814.55921
1983	19664376749.701607
1984	21165262492.32514
1985	18484100660.81814
1986	18312472713.721478
1987	24457872731.02078
1988	34134495450.023026
1989	41503619253.61305
1990	51334439949.46102
1991	57976276022.66985
1992	63175813951.93275
1993	71531194116.84021
1994	84035014551.22238
1995	103338160544.26318
1996	99981057779.50597
1997	91296759452.22185
1998	73443240866.42578
1999	81813707812.31895
2000	103051438580.9802
2001	104564463045.73491
2002	111069447654.32205
2003	123393885246.2696
2004	148448941018.862
2005	172482591878.8718
2006	177559459428.9613
2007	185017632440.51294
2008	206107129619.70285
2009	163293952063.33615
2010	200778941817.03607
2011	225676089658.7931
2012	238380519787.17416
2013	242386831100.60822
2014	229544373281.33762
2015	229553374316.89243
2016	227276891938.78104
2017	241429957234.26697
2018	261406586222.2643
2019	247900532372.28833
2020	213415438932.98193
2021	251341585740.31058
2022	260414098022.3302
2023	254561050622.80463