Year	current US$
1984	1597142911.3469403
1985	2128888900
1986	1572631569.6620498
1987	972492666.0461292
1988	562482783.1801068
2000	1517153863.417111
2001	1593923112.5253437
2002	1262479353.3857014
2003	1581049455.4963865
2004	1816357449.4114535
2005	1959798113.2170684
2006	2349743609.1556306
2007	3030353782.0888615
2008	4143992441.915224
2009	4053010159.181468
2010	5319700250.698829
2011	5757819600.283329
2012	7798618152.970171
2013	8880988764.125385
2014	9636582076.236523
2015	10275931664.781265
2016	10453643444.552542