Year	current US$
1990	289000000
1991	368299987.792969
1992	557700012.207031
1993	328440002.441406
1994	290350006.10351604
1995	319619995.11718804
1996	398059997.558594
1997	272579986.57226604
1998	468399993.89648396
1999	573159973.144531
2000	543320007.324219
2001	514830017.089844
2002	476209991.455078
2003	328359985.35156304
2004	376390014.64843804
2005	404100006.10351604
2006	484630004.88281304
2007	420980010.986328
2008	617349975.585938
2009	654719970.703125
2010	656650024.414063
2011	777929992.675781
2012	772059997.558594
2013	790739990.234375
2014	1403819946.28906
2015	1449349975.58594
2016	1523319946.28906
2017	1180660034.17969
2018	1223209960.9375
2019	1119680053.71094
2020	2337570068.35938
2021	2214540039.0625
2022	28732429687.5