Year	current US$
1991	810000.002384186
1992	379999.99523162795
1993	2450000.04768372
1994	1960000.03814697
1995	769999.980926514
1996	2509999.99046326
1997	-839999.973773956
1998	-409999.99642372096
1999	-129999.995231628
2000	-769999.980926514
2001	-479999.989271164
2002	-899999.976158142
2003	-2269999.98092651
2004	469999.998807907
2005	1610000.01430511
2006	2230000.01907349
2007	610000.014305115
2008	-730000.019073486
2009	-1620000.00476837
2010	7260000.228881841
2011	2579999.92370605
2012	5380000.11444092
2013	6920000.07629395
2014	4929999.82833862
2015	-782329.976558685
2016	-4377989.76898193
2017	-5301710.12878418
2018	-344967.33546257
2019	-3171989.91775513
2020	-2435960.0543975797