Year	constant 2010 US$
1960	513557328.247415
1961	527474859.947568
1962	556701759.286316
1963	585928464.659696
1964	636031783.110172
1965	882489775.358977
1966	1065073922.77098
1967	956862225.087954
1968	965136790.8246
1969	920960380.534112
1970	1217820078.96343
1971	1488448168.21722
1972	1594757930.96051
1973	1702463262.06889
1974	1561622638.39699
1975	1825346741.02534
1976	1692792824.13743
1977	2323797998.95439
1978	3435701470.23619
1979	3290627298.38909
1980	3654398810.41751
1981	5327839427.56111
1982	5114114495.53122
1983	5568901881.39662
1984	6047489405.98238
1985	6753548323.65707
1986	6643515122.69671
1987	5755938412.26239
1988	4162040950.45495
1989	3247630757.79757
1990	3297801819.61427
1991	3093612361.74728
1992	2607605479.53584
1993	2398249359.12429
1994	2632499890.0429
1995	2342073674.03109
1996	2663145541.48715
1997	2887761079.61006
1998	3003056618.79669
1999	3092124879.31969
2000	3509954849.24127
2001	4092352205.52971
2002	4691543771.76626
2003	4275768686.62253
2004	4775693084.82992
2005	4678553771.2238
2006	4709671063.48719
2007	4793856602.62541
2008	5771600269.77052
2009	5906857182.11113
2010	6066843402.78269
2011	6802617104.35065
2012	6987983631.23761
2013	7464003573.36327
2014	8361439726.55743
2015	8337525511.20686
2016	8882565608.00224
2017	9258585001.27306
2018	9455787445.19172