Year	current US$
1988	29999.999329447703
1989	69999.99843537815
1990	119999.99731779097
1991	630000.0082701436
1992	849999.9884516
1993	42890001.67325139
1994	5800000.030547378
1995	5790000.122040505
1996	7729999.832808974
1997	15820000.346750023
1998	-29270000.19885596
1999	200000.00298023247
2000	309999.98562038015
2001	1370000.0178068872
2002	650000.0059604641
2003	1120000.0103563063
2004	2799999.94859099
2005	1620000.0345706926
2006	1489999.990910292
2007	5680000.081658365
2008	14210000.187158579
2009	27349999.792873897
2010	20400000.095367394
2011	10180000.007152565
2012	6039999.902248381
2013	22580000.63896183
2014	19700000.951066572
2015	13579999.960958973
2016	11719999.507069618
2017	10110000.282526016
2018	60399998.12841414
2019	29320000.886917066
2020	23870000.481605552
2021	132239996.67167622
2022	55479999.15480618