Year	current US$
1960	574593827.0954778
1961	584859256.3185377
1962	608902450.0411175
1963	636757732.3346282
1964	669466180.277331
1965	702620267.9327372
1966	737208401.3562727
1967	759132874.6257894
1968	814705662.8843887
1969	832081856.725702
1970	882902929.1399826
1971	966190850.6472331
1972	1094547765.4120448
1973	1376819127.8381617
1974	1626430130.3988826
1975	1964753872.8392289
1976	1811230446.3721917
1977	1993298352.014572
1978	2280803042.2547693
1979	3028798446.094855
1980	2054503487.07667
1981	2410475978.9865627
1982	3019237389.8837104
1983	3024788407.4054365
1984	2324417854.196491
1985	2634475482.2617373
1986	2963352609.3865824
1987	1994959441.373269
1988	2355420418.778132
1989	1531408766.231331
1990	2351021166.490339
1991	2003791782.8110015
1992	2030560603.6683064
1993	2249056101.2027225
1994	2080054934.8715186
1995	3191704168.0390844
1996	4034154891.3837137
1997	3408065223.5840206
1998	3312300308.189071
1999	3205376063.751487
2000	3487054763.7095747
2001	3780391776.7452407
2002	4318043074.776404
2003	4795581761.963491
2004	3543142057.3444977
2005	4396978125.244179
2006	4473355377.872653
2007	5589027128.325943
2008	7091447936.819231
2009	6917374416.703317
2010	7385475996.076462
2011	8499314510.886406
2012	8558454150.775493
2013	9648591340.07272
2014	9156151731.894047
2015	8300555980.046707
2016	8474399461.418635
2017	9435451849.902603
2018	9909982252.939507
2019	9999744208.21687
2020	10046811595.284416
2021	11148497937.957657
2022	10716801686.6556
2023	10665669223.986788