Year	constant 2010 US$
1981	331928994016.482
1982	327516586171.86
1983	309853533957.016
1984	321169606357.695
1985	331420457906.612
1986	327753856563.197
1987	330538610383.779
1988	345841122693.443
1989	346036364102.295
1990	370567086569.923
1991	380859869014.717
1992	395650419897.608
1993	393182089669.018
1994	390614242940.844
1995	411812909782.914
1996	445760202859.55
1997	454078160154.819
1998	464826425780.607
1999	465623971606.591
2000	476357846381.393
2001	553629059757.528
2002	590789745269.589
2003	626168436156.73
2004	651109922533.736
2005	703207397318.358
2006	709377116759.799
2007	804857422933.614
2008	780564136116.396
2009	838260071079.496
2010	873972856134.271
2011	891184807850.34
2012	920303639677.193
2013	1006201409956.4
2014	1030071612070.26
2015	1056745330815.89
2016	1059712986912.74
2017	1082687935568.37