Year	current US$
1980	982.37880159067
1981	2007.51334355781
1982	4274.00742724587
1983	3165.91441134601
1984	2844.38970271011
1985	8938.03090013415
1986	8419.2237626614
1987	179.264466113541
1988	2387.062391814
1989	4012.11905497714
1990	13640.2126320098
1991	18476.1797275158
1992	17037.5501286616
1993	1886.92269851438
1994	2620.49307032962
1995	46372.1714120418
1996	10946.2270747433
1997	4932.57624076938
1998	24553.2750756125
1999	12861.5616647126
2000	38698.7975189088
2001	216531.968730293
2002	88690.6895565359
2003	90274.5178186526
2004	1360964.42454292
2005	984910.67989035
2006	1254600.31476116
2007	2689336.49201465
2008	8090936.19797444
2009	2749614.39263917
2010	9355968.67058665
2011	14135513.1678523
2012	8436691.01094826
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0