Year	constant 2015 US$
1960	21445881402.58967
1961	22963053008.854424
1962	24907730555.969486
1963	26806841977.30322
1964	28129828166.29677
1965	28991271067.47082
1966	29388347306.42241
1967	30803171590.579357
1968	32081611205.659313
1969	32327009497.517796
1970	33212137372.85013
1971	34235689020.99494
1972	35262926741.27697
1973	33435811367.219074
1974	31800136463.096165
1975	31431529249.374565
1976	32782906036.53135
1977	34291607519.587185
1978	35422133686.77801
1979	36074176319.7315
1980	36073078340.79701
1981	34142047103.296326
1982	33239037856.745155
1983	32797415043.87998
1984	33671876838.13441
1985	37065023881.04186
1986	35697177409.86773
1987	37356772569.349174
1988	40408761871.89727
1989	41290125248.02564
1990	41110997827.5703
1991	40475660159.834404
1992	42698126377.375404
1993	47129783784.41973
1994	48301328923.118
1995	53584240449.544
1996	57444357266.65993
1997	60486457112.1586
1998	62449973115.20157
1999	63237497078.59181
2000	68494786027.43384
2001	70133784553.00497
2002	70827606084.37189
2003	70905003239.0379
2004	72914258730.89325
2005	79160981859.8195
2006	85068576289.92923
2007	91728013646.30966
2008	93149643697.99309
2009	77292015324.64886
2010	83257419388.73947
2011	85762171370.98358
2012	86716130377.15578
2013	89953221305.49696
2014	93233173166.9634
2015	96085897668.36331
2016	96477456202.40457
2017	96213845051.64423
2018	98858055949.86943
2019	95582979005.07425
2020	84143740492.67886
2021	91792049338.46773
2022	98575189354.31
2023	102054833679.71957