Year	current US$
1960	779999.971389771
1961	2840000.0333786
1966	0
1967	310000.002384186
1987	0
1988	0
1989	0
1990	0
1991	0
1992	169999.994337559
1993	270000.003278255
1994	650000.020861626
1995	0
1996	80000.0000745058
1997	330000.001937151
1998	900000.020861626
1999	66229997.253045395
2000	53029998.935759105
2001	58660000.7545203
2002	76859998.4738976
2003	42909998.629242204
2004	25929999.2471933
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