Year	current US$
1991	-72503325.27459657
1992	-172858877.6557149
1993	-135007512.44696698
1994	-223468400.22866273
1995	-60091643.33807274
1996	-72602557.17789565
1997	162664754.9551989
1998	475359892.6379141
1999	1039782273.533101
2000	935930893.401282
2001	1161932744.1004217
2002	608395838.3740624
2003	584746689.6238277
2004	737772292.8171278
2005	806690188.3767657
2006	1204365003.9236987
2007	1391627811.7227633
2008	1517023817.724651
2009	959566688.3492076
2010	923751049.7245606
2011	1134115871.2793627
2012	782792680.5301832
2013	515606625.95218307
2014	514967836.2505932
2015	1398701085.8807786
2016	802581341.9586927
2017	1133542173.5952115
2018	1867465861.826072
2019	1479771453.5789647
2020	1494758271.0645788
2021	1453724954.9597504
2022	1492228105.8410027