Year	constant 2015 US$
1997	87781480.6712624
1998	70409480.85262923
1999	114892861.05004478
2000	139772406.73988393
2001	154189388.7151494
2002	136135548.08834368
2003	133153262.8436625
2004	147946925.71873674
2005	169327296.6265377
2006	148341655.18314123
2007	174711326.4644808
2008	176424900.79306927
2009	210636922.73722744
2010	194943003.63453063
2011	274812458.1531674
2012	238163174.51886755
2013	250412245.67856744
2014	270512840.92564255
2015	288634342.9557783
2016	290960075.01529515
2017	303557580.2441531
2018	332438339.4074588
2019	372330251.15142435
2020	335098240.9011806
2021	385362807.8922079
2022	360314250.7508369
2023	349143971.09916466