Year	current US$
2001	282724367071.6476
2002	293110448222.98193
2003	353207016160.00494
2004	468587000835.1171
2005	630576326574.9985
2006	772935380776.4614
2007	898865077069.9598
2008	1199940352256.6855
2009	844665601490.1301
2010	1049543077597.5363
2011	1357349857825.245
2012	1524031130580.8699
2013	1507350062960.89
2014	1421951916088.165
2015	1042989322707.6421
2016	953651585024.3159
2017	1093287998505.367
2018	1289891302479.4631
2019	1249077432910.9214
2020	921893911752.0671