Year	constant 2010 US$
1996	379926688.825408
1997	310490867.099222
1998	442136335.047347
1999	746965557.198046
2000	1014568730.43851
2001	1138195979.28856
2002	1217136324.14075
2003	1397575588.79549
2004	1636958542.1371
2005	1991451831.11604
2006	2115910236.82381
2007	2562525040.58692
2008	2543584442.54669
2009	2799727429.46648
2010	3337095377.55781
2011	3559816195.28866
2012	3570267490.50381
2013	3626998818.50824
2014	3668810926.68209
2015	3704374598.31205
2016	4124472850.70486
2017	4658314603.93087
2018	4798973122.02462