Year	constant 2015 US$
2000	206597177.04645926
2001	219705282.4621721
2002	227251810.321871
2003	226134081.28239277
2004	237441184.64328527
2005	245987177.23539552
2006	247434775.22735545
2007	252148273.6102211
2008	240377548.20001104
2009	232369194.74906778
2010	225642455.62194288
2011	229591342.19875076
2012	230505678.97257772
2013	233945820.70024344
2014	243062709.55229422
2015	274072021.484375
2016	278824241.84166414
2017	271168824.4687052
2018	266770793.18116516
2019	273414910.33323514
2020	261272182.2354127
2021	227668150.80241933
2022	217865739.58836535