Year	current US$
1960	1825540490.6557174
1961	2198228768.2566004
1962	2386386705.857213
1963	2642382327.3885083
1964	2289586206.896552
1965	2127044444.4444447
1966	2115044444.4444447
1967	2282644444.4444447
1968	2529488888.8888893
1969	2457600000
1970	3454044444.4444447
1971	3881522727.272727
1972	3795000000
1973	5220790697.674418
1974	11068000000
1975	8583488372.093023
1976	8577604651.16279
1977	9272953488.372093
1978	8102720930.232558
1979	11853837209.302326
1980	14445325581.39535
1981	13082093023.255814
1982	10373093023.255814
1983	5129139534.883721
1984	18543833729.216145
1985	18630066666.666668
1986	13610028865.979387
1987	13228103448.275862
1988	14199034482.75862
1989	12249417247.177505
1990	15439668740.003544
1991	14040297404.311483
1992	14326473312.280413
1993	12704321071.414717
1994	14731701683.501684
1995	20028376042.22179
1996	23947451713.395638
1997	29996414489.596813
1998	26398135386.702393
1999	29656345701.43217
2000	41940320603.74557
2001	37923171386.30304
2002	31073200964.76871
2003	27048943433.84002
2004	43662310363.82909
2005	61397975355.90382
2006	75764408942.71077
2007	83857155100.13974
2008	115766748111.53595
2009	77233143243.49529
2010	129342899346.50632
2011	105452830298.65013
2012	108800811787.47115
2013	83554673076.2877
2014	48752268546.51347