Year	constant 2010 US$
1960	753046084.093382
1961	1031629625.73342
1962	618107155.30342
1963	400463801.275292
1964	361287995.301621
1965	400463801.275292
1966	611616906.083042
1967	849467539.995577
1968	798500013.429063
1969	749958573.332742
1970	703844722.989573
1971	825197600.012314
1972	965966683.316505
1973	1131004955.59411
1974	1322741103.11056
1975	1560596320.14123
1976	1196534434.27591
1977	963539267.262013
1978	764521045.91238
1979	820343866.310502
1980	1223232656.28045
1981	2213471946.32839
1982	3028956413.83419
1983	2560158284.52725
1984	2276636623.21753
1985	2162381611.01847
1986	1395039537.1471
1987	960588517.352896
1988	819532708.089234
1989	667192790.147786
1990	765537373.202718
1991	961212438.523266
1992	963026249.844613
1993	1271941497.67216
1994	2228320960.4311
1995	1528617231.84689
1996	1478097991.8388
1997	935776011.599216
1998	932428406.989505
1999	1141502209.96733
2000	1358570543.10388
2001	1340293987.63585
2002	1356651234.16354
2003	1539580027.68775
2004	1547452466.00481
2005	1619587234.21463
2006	2022132379.38447
2007	2015970711.81627
2008	2063780117.53721
2009	2410830043.0374
2010	2464398710.21671
2011	3365831599.79283
2012	3500470169.48911
2013	4079644669.78468
2014	4980085897.91201
2015	4880854063.35785
2016	3367398677.53451
2017	1600262006.23897
2018	1423593045.79722