Year	current US$
1988	1299999.95231628
1989	730000.019073486
1990	7369999.88555908
1991	-1809999.9427795399
1992	8770000.45776367
1993	2460000.03814697
1994	4579999.92370605
1995	27899999.6185303
1996	26559999.4659424
1997	41069999.6948242
1998	13159999.8474121
1999	17059999.4659424
2000	12619999.8855591
2001	25139999.3896484
2002	32409999.847412102
2003	14380000.1144409
2004	9600000.38146973
2005	30979999.5422363
2006	69019996.6430664
2007	64300003.0517578
2008	84970001.2207031
2009	148619995.117188
2010	56150001.5258789
2011	49389999.3896484
2012	19399999.6185303
2013	32889999.3896484
2014	6409999.84741211
2015	-1090000.0333786
2016	11739999.7711182
2017	25010000.2288818
2018	40700000.762939505
2019	51869998.9318848
2020	72680000.3051758
2021	82830001.8310547
2022	72330001.8310547