Year	constant 2015 US$
1960	1201182560.004814
1961	1475547273.2112436
1962	1468853565.6108775
1963	1646188557.4623454
1964	1699722154.9687505
1965	1743218319.0402522
1966	1786714483.1117582
1967	1672953647.5969465
1968	1977433741.2300735
1969	2074463462.539942
1970	1994161500.2457726
1971	2007545719.5257206
1972	1743218285.49107
1973	1776677156.9981782
1974	1579270819.498539
1975	1686337868.5904286
1976	1221257202.1762364
1977	1335018037.645955
1978	1512349722.9635224
1979	2087847681.8649826
1980	1629633281.0389168
1981	1129753797.9219368
1982	1001884297.6962181
1983	857592582.9762654
1984	996793732.1188335
1985	1114039308.2283022
1986	970356098.0679016
1987	902153030.79414
1988	881227899.8005842
1989	787060839.0332061
1990	1138175509.8301854
1991	910369986.445244
1992	916072975.4208922
1993	1043980936.6956595
1994	1042771469.3011789
1995	1073614675.3015857
1996	1116601228.0372746
1997	1201931049.4509203
1998	1264263378.2638648
1999	1339825089.6898913
2000	1562972736.879209
2001	1747068153.5800188
2002	1309912810.719018
2003	2054752793.6170452
2004	2237071861.0510707
2005	2080541575.4497647
2006	2149710067.617545
2007	2802512889.168227
2008	3840166507.940688
2009	3155717793.9091744
2010	2969806165.9612
2011	3044961952.293085
2012	2939907179.6831865
2013	3261553692.867108
2014	3488938915.1168075
2015	3717317430.5757117
2016	3897268088.701964
2017	4819930804.281384
2018	5356775731.135522
2019	5600592727.856831
2020	4671652360.317859
2021	5263929905.104201
2022	6308162000.211367
2023	6428016438.741548