Year	constant 2010 US$
1960	1715060464.18116
1961	1547751898.2532
1962	1395543102.96861
1963	1192862039.21733
1964	1420494907.91247
1965	1239522000.18047
1966	1255073800.35755
1967	1192408793.68236
1968	1717441902.70775
1969	1726386027.17523
1970	1955894600.32389
1971	2179801290.85682
1972	2325901557.59404
1973	2545521618.68239
1974	2348500397.23632
1975	2201920235.45625
1976	2063829635.79609
1977	2057721107.24872
1978	2573923378.12991
1979	2155941105.34457
1980	2620594586.67762
1981	2267488729.08254
1982	2035912634.82693
1983	2777993867.71237
1984	4677507492.21044
1985	4994958041.98235
1986	4696524952.9572
1987	5070597845.40898
1988	5163532108.11903
1989	4855261576.80862
1990	4807661179.82961
1991	3984850784.07797
1992	2321096122.7747
1993	2114826789.64389
1994	1956158259.01571
1995	2355214469.35476
1996	2717917416.19007
1997	2116925722.31334
1998	2628217175.77536
1999	3928870868.82216
2000	3786405822.21319
2001	3048261726.90809
2002	5562280273.72653
2003	6382440379.62109
2004	6557293957.75277
2005	7409634526.24673
2006	6715584858.19042
2007	8510660690.78472
2008	8909385144.14798
2009	6389761811.70341
2010	8865916412.12075
2011	11083967084.3647
2012	12349643744.0382
2013	13649643546.4089
2014	16568876721.8782
2015	17247853115.8366
2016	17096830234.9644
2017	18352462300.5638
2018	20945499531.0549