Year	current US$
1990	644068353.029565
1991	581365653.638156
1992	132627573.892433
1993	1232097208.61401
1994	1362289496.50498
1995	653165011.418741
1996	149111289.495462
1997	256632475.053693
1998	333587123.136679
1999	514060026.795928
2000	-229858716.672557
2001	-577029909.897931
2002	-769254814.053328
2003	-888095832.401607
2004	-345908935.729354
2005	145553959.875376
2006	1342340376.45314
2007	1682723526.24755
2008	1403329888.56285
2009	-1594043924.31491
2010	-1435180563.28238
2011	-1805445084.66498
2012	-1829771360.04673
2013	-3172387481.68294
2014	-3408115881.88834
2015	-3189040353.91271
2016	2361323317.56499
2017	1973519597.27352
2018	3978729613.7413
2019	5083321515.1053
2020	5963256113.81945
2021	8834066151.03082