Year	current US$
1990	-66848327.8082867
1991	-50472336.9648442
1992	-120225377.161314
1993	-116404063.70283
1994	-106069613.945047
1995	-148341189.505214
1996	-191794567.296099
1997	-153081072.912862
1998	-165361767.886306
1999	-190407119.944087
2000	-142787230.160221
2001	-55808660.8100299
2002	28488445.1805332
2003	-26776259.9045371
2004	137548801.590868
2005	114767263.30256
2006	127950014.126411
2007	281527142.750077
2008	248191994.554141
2009	101868592.14791
2010	108925126.706168
2011	269575277.662996
2012	580329221.164066
2013	1148120005.11399
2014	1539909859.88502
2015	633652890.870483
2016	1043814727.54734
2017	1051287430.29378
2018	1486213350.09474
2019	1757582703.73084
2020	1806896063.45513