Year	current US$
1990	-3615693267.9447165
1991	-1134965309.595497
1992	-2112083333.3333333
1993	-1310440102.6248271
1994	-620812161.2721968
1995	-1883164148.5678313
1996	-2905611417.450535
1997	-2423011353.3316402
1998	-3255561890.039862
1999	-1671836398.2145512
2000	-1990674715.0453825
2001	-3117155452.4154367
2002	-2618450281.844768
2003	-4482339946.873606
2004	-6851547206.094268
2005	-10131062278.177944
2006	-14815112800.611467
2007	-24588208756.280117
2008	-27570033721.630997
2009	-11187131578.300116
2010	-11027502438.717392
2011	-10797550882.238712
2012	-9021480883.455395
2013	-1721256870.288532
2014	-842267125.4861273
2015	-1462552928.139059
2016	-1963818827.5818064
2017	-5227450171.400708
2018	-8241541479.042738
2019	-10298436145.0474
2020	-10823630204.76947
2021	-16208663698.855188
2022	-19967110840.945084
2023	-16786961939.53173