Year	constant 2010 US$
2000	5673365723.92767
2001	6447118870.5897
2002	7118693752.9428
2003	7633155820.28322
2004	8129214813.1379
2005	8816171369.68804
2006	9233673955.03638
2007	9858829142.04483
2008	11718913028.8731
2009	13328220691.7389
2010	15675024697.8022
2011	17237637992.5698
2012	19214183126.89
2013	20276342664.7466
2014	21119038672.5418
2015	22047981924.9419
2016	22146314770.7015
2017	22367975682.7911
2018	23752326360.5251