Year	constant 2010 US$
1990	965078019077.022
1991	819644774954.965
1992	554926828436.881
1993	448517866437.982
1994	341958506259.843
1995	325397499821.498
1996	302683812288.536
1997	309772425775.415
1998	287780551768.357
1999	281606626620.49
2000	327860984129.753
2001	322329428314.386
2002	348520669807.102
2003	405287383985.922
2004	481897416801.577
2005	546738517260.003
2006	645606860970.193
2007	758541407670.331
2008	810169006872.335
2009	661805852633.012
2010	717534343459.857
2011	806672550085.334
2012	838667816119.148
2013	879572134802.989
2014	886472131474.001
2015	876474991521.553
2016	891167021701.419
2017	949684507630.428
2018	963047331194.153