Year	current US$
1984	1711428568.897959
1985	2335555584.4444447
1986	1726315908.1994498
1987	1062718107.8935797
1988	627531791.8839219
2000	1629016417.2378776
2001	1708654240.7073665
2002	1419014712.737397
2003	1736006432.0083683
2004	1999636298.486595
2005	2183169767.493605
2006	2611369741.497939
2007	3364660102.182217
2008	4567326306.899994
2009	4833851729.188724
2010	6168254349.829579
2011	6769747552.986826
2012	9166163172.335308
2013	10927002937.903015
2014	11652444459.585821
2015	12455275068.777353
2016	12676769976.434086