Year	current US$
2003	301715036.5538787
2004	297376573.1155621
2005	446880143.273786
2006	465815270.0504374
2007	686150837.4541512
2008	1007094560.7321584
2009	814961460.5249487
2010	1310491058.5296247
2011	1718289228.403386
2012	983120171.7538407
2013	808039154.5199056
2014	642248765.1152337
2015	600528515.0344676
2016	663159092.5228894
2017	673416940.1200353
2018	664363123.0957876
2019	937244122.3387786
2020	979738777.0874171
2021	1078698601.4089456