Year	current US$
1960	0
1961	1639999.98569489
1966	0
1967	310000.002384186
1987	0
1988	0
1989	0
1990	0
1991	0
1992	129999.995231628
1993	270000.003278255
1994	500000.01490116096
1995	0
1996	50000.0007450581
1997	320000.00216066797
1998	900000.020861626
1999	66159997.2527474
2000	52999998.9364296
2001	58350000.7521361
2002	76559998.4768778
2003	42889998.6296892
2004	25889999.2480874
2005	40939998.4832853
2006	41709999.9729544
2007	46829999.394714795
2008	40020001.7057359
2009	35379999.3991852
2010	33819999.8438358
2011	33839999.7670203
2012	29149998.8883734
2013	30330000.0391901
2014	27660000.4956126
2015	17130000.2448261
2016	23539999.846369
2017	15909999.5791912
2018	17389999.7994304
2019	16280000.003054699
2020	58880001.6772002
2021	19910000.070929497
2022	13960000.1256913