Year	current US$
1988	500000
1989	920000.016689301
1990	1220000.02861023
1991	1610000.01430511
1992	2640000.10490417
1993	2200000.04768372
1994	1070000.05245209
1995	7710000.03814697
1996	13310000.4196167
1997	13329999.923706101
1998	26309999.4659424
1999	35419998.1689453
2000	15760000.2288818
2001	17120000.8392334
2002	38240001.6784668
2003	24829999.9237061
2004	45080001.8310547
2005	21389999.3896484
2006	18299999.237060502
2007	27340000.1525879
2008	32099998.4741211
2009	29190000.5340576
2010	49880001.0681152
2011	51279998.779296905
2012	10439999.5803833
2013	14250000
2014	5940000.05722046
2015	800000.011920929
2016	3710000.03814697
2017	-2950000.04768372
2018	-8239999.77111816
2019	2289999.96185303
2020	4539999.96185303
2021	1549999.95231628
2022	3650000.09536743