Year	constant 2010 US$
1975	1916680448.75808
1976	1720817387.62167
1977	1715461585.67246
1978	1747321046.74105
1979	1719901725.20146
1980	1692268717.53373
1981	1731426455.01341
1982	1699013169.05499
1983	1661115018.76466
1984	1706242942.82964
1985	1718412656.36439
1986	1757647752.78482
1987	1844023100.90878
1988	1882740330.7239
1989	1891509108.62616
1990	1949228091.0602
1991	2055938519.76218
1992	2157481946.67657
1993	2161116482.92559
1994	2194964646.22777
1995	2247717428.49177
1996	2351770478.13797
1997	2216266563.99725
1998	2118299031.99029
1999	2212509076.63424
2000	2104822797.20495
2001	2189348864.11553
2002	2195456377.25034
2003	2263616166.06238
2004	2130487040.23156
2005	1966605239.47086
2006	2097760414.2243
2007	2042444944.52833
2008	2002211047.33255
2009	2167623700.94389
2010	2190587818.68576
2011	2281859088.89732
2012	2372375339.79654
2013	2338854785.18493
2014	2380255701.33137
2015	2431686900.82153
2016	2416659836.59661
2017	2478197824.4362