Year	current US$
1990	979109625.811031
1991	715538798.698107
1992	988698581.131298
1993	963918812.352916
1994	1300692194.59215
1995	1526028312.5677
1996	1378648891.04052
1997	1841351442.29631
1998	2255919866.08556
1999	2047080599.2782
2000	2074071615.60585
2001	2340546119.00784
2002	1935668544.6745
2003	1837023543.80279
2004	2217007822.91932
2005	2205775252.1623
2006	3158475026.38965
2007	4071340032.34838
2008	4261087138.88879
2009	4687985152.52054
2010	5925114853.55603
2011	5951175377.61855
2012	6836645980.52542
2013	7551093874.2046
2014	7555333557.62585
2015	8867128767.36823
2016	9928356192.85154
2017	9150905733.87548
2018	9383079608.02823
2019	9792484210.13109
2020	9052610247.38783
2021	10245905070.8484