Year	current US$
1988	3440000.034868717
1989	7320000.031962991
1990	9019999.75927174
1991	321920010.8051299
1992	384320002.41614854
1993	212680001.45442802
1994	100540001.56931585
1995	113199998.4681606
1996	181239999.33339655
1997	139509999.80047348
1998	179210000.92476606
1999	369529995.25703454
2000	228990004.31038445
2001	214349993.75045294
2002	207800003.30880284
2003	264279996.82165685
2004	216400002.56709757
2005	257929998.05696318
2006	265730002.2318959
2007	256540002.34417623
2008	329379999.9970944
2009	316210001.3755263
2010	301229994.1275269
2011	334089997.12951493
2012	285380000.1610073
2013	215080000.21427876
2014	268660002.60971516
2015	268910002.16267985
2016	188169997.87278485
2017	196559995.96416956
2018	361069995.64170885
2019	213430005.92105082
2020	291369993.81333613
2021	661019978.3239516
2022	345209999.3620065