Year	current US$
1988	19999.9995529652
1989	29999.999329447703
1990	29999.999329447703
1991	319999.99284744303
1992	209999.993443489
1993	699999.988079071
1994	2890000.10490417
1995	5880000.11444092
1996	40720001.220703095
1997	14000000
1998	18020000.4577637
1999	23180000.3051758
2000	14619999.8855591
2001	16180000.3051758
2002	26500000
2003	16399999.618530298
2004	25250000
2005	19719999.3133545
2006	10149999.6185303
2007	6309999.94277954
2008	15689999.5803833
2009	629999.995231628
2010	3089999.91416931
2011	-1019999.98092651
2012	-1610000.01430511
2013	-14409999.8474121
2014	-6760000.228881841
2015	-7349999.90463257
2016	-5269999.98092651
2017	-7699999.80926514
2018	-6670000.07629395
2019	-4349999.90463257
2020	-620000.004768372
2021	-4989999.771118159
2022	-4500000