Year	current US$
1991	-871531029.7859106
1992	-843076041.2808161
1993	-752818529.5750226
1994	-741325772.1154597
1995	-887838342.8405032
1996	-849634467.6189582
1997	-780416331.2298055
1998	-930416277.1985714
1999	-729268983.8714318
2000	-667719071.266285
2005	-1024355558.5840417
2006	-946636263.6436709
2007	-1107127891.0553355
2008	-1439798933.964587
2009	-1201695534.7529352
2010	-1295702106.2319305
2011	-1226368242.3069236
2012	-1100178163.509634
2013	-1147843587.3852775
2014	-1034931124.1769838
2015	-873595302.582905
2016	-791090982.5961282
2017	-902056456.2172467
2018	-1414532364.0163567
2019	-1332211465.779365
2020	-1381903923.2395635
2021	-1564231276.5307825
2022	-1455835395.8475926