Year	current US$
1991	39999.9991059303
1992	50000.0007450581
1993	79999.9982118607
1994	289999.99165535
1995	219999.998807907
1996	379999.99523162795
1997	209999.993443489
1998	1299999.95231628
1999	7699999.80926514
2000	12020000.4577637
2001	2079999.9237060498
2002	280000.001192093
2003	219999.998807907
2004	1250000
2005	-490000.009536743
2006	-939999.997615814
2007	-310000.002384186
2008	2230000.01907349
2009	2539999.96185303
2010	4010000.2288818406
2011	2210000.03814697
2012	3910000.08583069
2013	4780000.20980835
2014	3390000.10490417
2015	3630000.1144409203
2016	4510000.228881841
2017	4130000.11444092
2018	3220000.02861023
2019	2569999.9332428
2020	2359999.89509583
2021	3180000.0667572
2022	3490000.00953674