Year	current US$
1993	3279999.97138977
1994	63179999.172687545
1995	35030000.55067241
1996	55339999.79682271
1997	40549999.827519014
1998	59489999.499172
1999	221930000.2027304
2000	197279999.68267968
2001	222379998.4194338
2002	247360000.45388943
2003	225539997.190237
2004	241670004.24861905
2005	213629999.70279637
2006	190209999.5668978
2007	198469999.90940085
2008	190810000.77351922
2009	188360001.2846291
2010	151079998.59936535
2011	176759997.7664654
2012	133270002.28501862
2013	176630002.1074713
2014	196300001.32136
2015	182410000.54776663
2016	151579999.70950186
2017	133660003.62485638
2018	165870000.80198047
2019	130360000.3886967
2020	275030001.1597574
2021	336769988.47350496
2022	138040000.09596342