Year	constant 2010 US$
1994	2758501862.26045
1995	3332270264.77958
1996	6296580077.19916
1997	8461947179.52191
1998	9782010631.81418
1999	10721083632.4236
2000	11310743278.9328
2001	11808415927.4057
2002	12434262003.1151
2003	12931632491.3659
2004	13720457777.4768
2005	14922267894.6299
2006	15730647389.4494
2007	16651768808.8305
2008	17555414776.1901
2009	17028269113.564
2010	17176781336.7644
2011	17341498611.7695
2012	17198998442.4731
2013	17603352745.9877
2014	17805445926.7285
2015	18355317938.647
2016	18932713482.7656
2017	19531661136.3175
2018	20130528204.7809