Year	current US$
1990	1964038852.2092433
1991	4133083199.406602
1992	-9155936084.875145
1993	-11672808620.285782
1994	-15006538142.128366
1995	-630930718.9542483
1996	292852978.45373887
1997	-67719496.99784751
1998	-720874818.212328
1999	-432884288.28108203
2000	277240778.8392163
2001	536502686.4870085
2002	869056954.0498055
2003	577756006.5396067
2004	1671952737.8891935
2005	2177495125.117509
2006	2047916837.9435265
2007	2404916233.693733
2008	3695623155.035937
2009	-266763296.44296858
2010	3165168427.4166727
2011	2541384574.299616
2012	339059584.87382823
2013	524530922.76196223
2014	1405907211.0125442
2015	845108202.1988277
2016	2013263054.2120671
2017	1869237125.7776504
2018	2598440036.467449
2019	2365950044.3215647
2020	426964327.4863825
2021	3473217453.4689364
2022	3093165045.877444
2023	-3117937563.9686823