Year	constant 2010 US$
2000	1749841725.75929
2001	1800941880.67289
2002	1868711652.88445
2003	1305386047.41229
2004	1339585173.56869
2005	1410331507.46203
2006	1523777251.70187
2007	1669073677.23425
2008	1788340491.35975
2009	1883132183.29988
2010	1998000000
2011	2161851301.49241
2012	2334665710.09338
2013	2537875668.74673
2014	2555669829.48595
2015	2555669829.48595
2016	2514789741.8834
2017	2576870497.6872
2018	2608374061.79089