Year	current US$
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	1249999.98509884
1991	280000.001192093
1992	720000.011846423
1993	2540000.00096858
1994	1469999.97645617
1995	5689999.92497265
1996	7949999.83534217
1997	3539999.94136393
1998	2739999.93689358
1999	8210000.071674591
2000	4340000.03524125
2001	3469999.9801814603
2002	5669999.95522201
2003	5119999.91908669
2004	5679999.99038875
2005	5770000.06474555
2006	6280000.03285706
2007	6850000.05550683
2008	9210000.02883375
2009	6609999.85598028
2010	1280000.0049173802
2011	1449999.9880790699
2012	910000.007599592
2013	2080000.03360212
2014	1689999.98643994
2015	1460000.01765788
2016	7060000.18492341
2017	15090000.3593415
2018	7839999.84152615
2019	6759999.95134771
2020	6590000.18984079
2021	4750000.07264316
2022	64789998.665452