Year	current US$
1999	166059157884.90857
2000	155915507081.67737
2001	152967091793.33188
2002	163448050899.52283
2003	189114741776.77423
2004	219332888766.03342
2005	228207694311.8219
2006	248295034031.05933
2007	281121020630.13806
2008	305630882910.8352
2009	267956545294.14276
2010	263075566903.62515
2011	300788545114.21783
2012	289621811362.4638
2013	311096621733.9087
2014	325641391548.0716
2015	293031213607.2831
2016	297293396466.5623
2017	326730490336.4648
2018	356076161403.9589
2019	355218744907.1937