Year	constant 2010 US$
1970	77570221145.2687
1971	69384552264.3095
1972	74393613981.7025
1973	79603462481.0343
1974	72633438569.7663
1975	88300907326.1232
1976	99274110106.2746
1977	113687499111.571
1978	110616748874.443
1979	96297850699.0839
1980	107204773254.051
1981	117620962495.935
1982	121104134292.862
1983	102092067294.936
1984	136843882562.284
1985	143038458812.423
1986	136782123894.534
1987	144612715399.705
1988	149633099164.582
1989	138032831381.936
1990	152482316889.672
1991	164558949908.341
1992	171835131362.283
1993	163824265948.148
1994	159572612998.599
1995	170603284885.964
1996	171399658680.198
1997	179756896885.941
1998	173176132432.931
1999	174086947617.911
2000	195378426106.448
2001	196204072403.246
2002	178002324998.698
2003	170208624382.658
2004	211285828560.772
2005	256760062212.541
2006	297862914899.169
2007	343749702634.178
2008	385783653456.702
2009	314624864409.939
2010	360120342531.502
2011	373621712624.741
2012	386687409669.317
2013	353040651274.936
2014	303230403858.188