Year	current US$
1988	38859000
1989	117591800
1990	-82808000
1991	180048026.89844504
1992	106661815.62621774
1993	-248384910.16664657
1994	-175391393.7626995
1995	183108543.0884425
1996	307163306.35120595
1997	285201133.88007706
1998	345748414.6793818
1999	425664836.65374297
2000	-280440465.2810016
2001	-346375936.5819904
2002	-178405798.04871315
2003	-100080374.04893386
2004	-342322396.76483256
2005	-557811325.6004378
2006	-356092360.1762183
2007	-754039474.7836387
2008	-620256178.0259919
2009	-308167083.0696863
2010	-307459998.122532
2011	-390339466.5566314
2012	-471437264.85726184
2013	-267134552.5631406
2014	-582400385.1037147
2015	-642330658.4482739
2016	-627721751.380074
2017	-454150034.6516711
2018	-1190199478.2700098
2019	-569916576.2371414
2020	-639636186.7042376
2021	-1065823943.201918
2022	-1253672712.910556
2023	-1268523001.4413562