Year	current US$
1970	0
1971	372.381442848688
1972	461.145443029408
1973	536.712877976135
1974	1458.57724225331
1975	65498.0017710079
1976	56773.6728142001
1977	55111.4340913239
1978	2068.73913845193
1979	1853.11079186188
1980	3878.85487990042
1981	8449.29026918111
1982	8775.5577222307
1983	3887.87388216825
1984	2234.77012065462
1985	3939.63429259373
1986	1177.37288526195
1987	414.994683412588
1988	562.177447285698
1989	815.716922150045
1990	3113.35724554171
1991	2811.68522723324
1992	1348.07127791508
1993	131.167669999717
1994	128.415694632305
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	176819.005279716
2006	16317283.7813079
2007	25405434.5735442
2008	62233975.111835
2009	8579096.1650646
2010	61600322.996733
2011	133274950.404519
2012	95494406.0732007
2013	104815468.57051
2014	106491318.94203
2015	38678237.9244876
2016	29757123.832304
2017	49062835.9699405
2018	80497203.8997683
2019	70089758.3879104
2020	42242650.2416153
2021	100823063.807082