Year	constant 2015 US$
1960	5546686278.055531
1961	6037130717.573636
1962	6411889043.35988
1963	6585959016.904101
1964	7040328896.718626
1965	10684984959.659552
1966	11714009920.180433
1967	11081682523.417389
1968	11636632558.649912
1969	13071568708.27305
1970	13630443068.570618
1971	14018438872.918718
1972	15972835553.01096
1973	17715916128.907345
1974	17677099487.314114
1975	18078403864.049923
1976	19393648240.124218
1977	22926645293.38989
1978	28145308419.908714
1979	33408333420.350388
1980	40825639486.07019
1981	45466564756.443886
1982	55723094914.62263
1983	63648498549.91188
1984	67310478641.17028
1985	64307527000.1302
1986	67195308625.49272
1987	73572315312.48265
1988	77812278288.95595
1989	79578218600.67746
1990	82478796895.8073
1991	86260212568.34744
1992	87712634493.1247
1993	90990714523.17216
1994	99856319458.26474
1995	125293817763.99956
1996	146997561776.5202
1997	159731125222.58258
1998	172873786233.58835
1999	184666344824.6283
2000	212865751749.17017
2001	216775279179.83057
2002	222712080043.64478
2003	218766127262.8181
2004	231371091619.668
2005	246114317164.0059
2006	267522534991.90472
2007	274262767664.40765
2008	268626437940.5752
2009	241485012548.93912
2010	297219941587.81506
2011	324822102485.7751
2012	350540484355.82605
2013	360011058084.9911
2014	387271923577.1359
2015	414495031033.99255
2016	427208869287.46075
2017	440868953680.46045
2018	469645001606.1036
2019	475112903881.6357
2020	441765645138.20325
2021	473648624437.50476
2022	514772833182.74316
2023	479061978118.88995