Year	constant 2010 US$
1997	63635094.7010226
1998	53648952.8823123
1999	55986135.0699109
2000	51729276.468121
2001	64870614.0714101
2002	62181792.2699038
2003	99703126.3342821
2004	90035691.1902958
2005	105299615.115115
2006	116371317.066387
2007	129649045.769335
2008	209754838.710767
2009	135087050.121856
2010	197117152.22357
2011	194041044.100773
2012	269458290.114628
2013	215065793.842876
2014	211591266.708038
2015	182391671.902329
2016	193335172.272695
2017	254614318.234219
2018	245193581.43125