Year	current US$
1991	4846153846.153846
1992	5405286343.612335
1993	7878774462.056142
1994	6199028257.367739
1995	1640714199.1702638
1996	869104641.8386974
1997	808956317.4331697
1998	514790397.55186886
1999	-553633606.28233
2000	-7720257.5698504085
2001	787215427.8587518
2002	414709126.3229531
2003	686520568.9888476
2004	-918029704.8317353
2005	533881889.1691638
2006	129702970.2970297
2007	927722772.2772278
2008	2729902542.536187
2009	-1575358992.920254
2010	455665889.03552693
2011	3478353418.7304196
2012	290951265.47532237
2013	-1721631427.4990616
2014	-1016012994.0633445
2015	2162126480.3019934
2016	5814999717.822952
2017	4689696121.377292
2018	1202956181.8220053
2019	-4252098878.458525
2020	-6997601114.998544
2021	2465862858.31268
2022	351150020.1810001
2023	-3215525154.4931655