Year	current US$
1989	72199999.80926517
1990	99629998.2070923
1991	149909999.27371734
1992	222199992.78709316
1993	164150003.1240285
1994	166620001.6885996
1995	155010002.0207464
1996	147590000.5009025
1997	159310002.4312734
1998	130279999.92854899
1999	120670002.24813819
2000	95560001.09575687
2001	97619999.45528808
2002	81989999.39486393
2003	108070000.36910184
2004	797259981.200099
2005	117240000.85704042
2006	120569999.27014108
2007	119159999.86417599
2008	144180001.35943305
2009	143820001.49972737
2010	285550006.81243885
2011	403029997.65425885
2012	281659999.85672504
2013	245020003.73415706
2014	195140004.15988314
2015	91030000.06265934
2016	62770002.18071039
2017	51509999.45774675
2018	57950000.23581087
2019	62069999.145344004
2020	63419998.26394022
2021	97100000.52861874
2022	23460000.710561838