Year	current US$
1992	1000000
1993	45000000
1994	83000000
1995	52000000
1996	102000000
1997	70000000
1998	64680000.305175796
1999	94589996.3378906
2000	85430000.3051758
2001	124040000.915527
2002	98930000.3051758
2003	99860000.6103516
2004	77550003.0517578
2005	94080001.8310547
2006	98580001.8310547
2007	99580001.8310547
2008	79839996.3378906
2009	107559997.558594
2010	45310001.373291
2011	97989997.8637695
2012	126529998.77929701
2013	114080001.831055
2014	104339996.337891
2015	60369998.9318848
2016	29540000.915527303
2017	69730003.3569336
2018	55400001.5258789
2019	57779998.779296905
2020	122470001.22070299
2021	110489997.86377
2022	113160003.662109