Year	constant 2015 US$
1960	1047828934687.5348
1961	1103766191487.523
1962	1130150559612.5828
1963	1173213817395.1487
1964	1284787859154.769
1965	1439512942940.2168
1966	1492272445974.272
1967	1564999958096.443
1968	1659042606148.0908
1969	1751644416533.8433
1970	1849485882550.0852
1971	1938866809287.2434
1972	2040169187035.3127
1973	2167753963048.0215
1974	2380333128705.319
1975	2567118359279.2686
1976	2705719892277.8447
1977	2807787763985.164
1978	2861646791748.3535
1979	2911803909765.7046
1980	3169106153399.488
1981	3298190939675.637
1982	3212308841623.927
1983	3836134138298.647
1984	4215210368405.458
1985	4703243077221.642
1986	4645703022900.957
1987	4459357540936.002
1988	3710263847534.9624
1989	3873989415651.8237
1990	4466465792857.817
1991	4382352914236.4556
1992	4642511536904.994
1993	4943949519164.663
1994	5436534826907.138
1995	5549009570265.8955
1996	5157026535345.121
1997	5280982579754.797
1998	4747779098305.301
1999	4666830116233.235
2000	4601565432964.544
2001	4506498186278.613
2002	5399317123354.144
2003	4775964698322.168
2004	5728930557969.65
2005	5877386438153.82
2006	6434789784250.908
2007	7744516741061.567
2008	8030319525191.969
2009	8224533294980.772
2010	8757814514080.889
2011	9224863849020.773
2012	9578617091063.713
2013	9851777101685.102
2014	10228414799951.504
2015	10575695505388.473
2016	11040474413708.346
2017	11602851768130.23
2018	12099854616857.111
2019	12279062207995.988
2020	11613473685639.393
2021	12662653782707.053
2022	13392204816453.352
2023	13888659568872.201