Year	current US$
1990	-69708856.9622968
1991	220004700.08563
1992	136035386.008526
1993	-174351736.673913
1994	-113215837.513011
1995	603202209.500114
1996	646002025.659315
1997	626422824.891754
1998	800598931.593301
1999	957054920.757578
2000	318077785.712243
2001	211535292.146124
2002	213037759.6926
2003	373461890.854177
2004	332828286.340018
2005	532074380.570838
2006	512514079.199808
2007	634478677.621691
2008	607632183.507122
2009	750435014.304433
2010	2234080543.84418
2011	1622997934.98042
2012	1111993763.53342
2013	1144730282.5658
2014	862889059.386155
2015	1027974399.63143
2016	839483653.087358
2017	1343781094.34989
2018	1162355809.17034
2019	1429333327.9833
2020	1708892626.42203
2021	1673357788.42926