Year	constant 2015 US$
1960	317751495.6111258
1961	338474398.8582736
1962	385101009.2835216
1963	413595066.33612335
1964	472309906.824858
1965	552611274.074773
1966	646310884.3429505
1967	669658499.1736162
1968	686473438.3680911
1969	680636534.6661901
1970	705027807.3636974
1971	661115769.5061646
1972	582027681.8734941
1973	534134270.91741437
1974	525475544.5720348
1975	561463258.835096
1976	602553474.0376191
1977	615773452.8391396
1978	593314972.4704708
1979	671939177.4465375
1980	763590102.832243
1981	678007970.4261241
1982	547122256.3284858
1983	514265619.8133059
1984	500427130.814511
1985	617860872.7201793
1986	729573707.6134061
1987	659878853.2243794
1988	670431636.9230919
1989	653384808.4624621
1990	517667217.6785534
1991	670577521.8743609
1992	671853188.6176902
1993	697238645.4748447
1994	747555009.9437226
1995	738291522.3280572
1996	652871894.7595206
1997	707901180.7807223
1998	852636602.1456141
1999	916116445.2446097
2000	1154001829.392067
2001	1392952325.50808
2002	1532478072.8728254
2003	1716375413.9433334
2004	1845351744.4217265
2005	2000371255.9825249
2006	2180404697.848276
2007	2115127413.4408634
2008	2557217835.350634
2009	2669739529.26814
2010	2807872801.572554
2011	3938536951.8978295
2012	3150829630.703841
2013	3465912513.057718
2014	3292616939.2940154
2015	3193838383.8383837
2016	3292208629.076341
2017	3384390339.699118
2018	3343777713.738614
2019	3126432143.896117
2020	2851306123.535528
2021	2579006334.023624
2022	2628007480.660592
2023	1668784730.6168954