Year	current US$
1990	289000000
1991	368299993.8074495
1992	557459987.651557
1993	325230005.09291935
1994	286110002.4990739
1995	313130003.7354231
1996	389219999.9168516
1997	172600000.93840066
1998	371730005.3015349
1999	472610002.8827783
2000	424540005.4194033
2001	440130005.36710006
2002	417260000.98511565
2003	267229996.3459372
2004	307629997.4359574
2005	356419999.9906118
2006	425680011.361837
2007	365589996.5874854
2008	548869990.3674426
2009	591230004.9997865
2010	589160009.8684437
2011	695609994.735568
2012	673739989.2564864
2013	693510003.8796661
2014	1314949998.8071623
2015	1361320015.6949463
2016	1417839985.5047472
2017	1108849993.7243767
2018	1139060008.7121134
2019	1032400013.945997
2020	2231249986.8832536
2021	2103150041.6696067
2022	28424739934.80206