Year	current US$
1969	11149999.6185303
1970	6429999.82833862
1971	8000000
1972	8130000.11444092
1973	4710000.03814697
1974	7829999.92370605
1975	9630000.11444092
1976	4039999.96185303
1977	10029999.7329712
1978	2359999.89509583
1979	2200000.04768372
1980	10119999.8855591
1981	6230000.01907349
1982	2430000.0667572
1983	1649999.97615814
1984	129999.995231628
1985	4940000.05722046
1986	2269999.98092651
1987	870000.004768372
1988	2819999.9332428
1989	3609999.89509583
1990	2279999.97138977
1991	4190000.05722046
1992	6380000.11444092
1993	5170000.07629395
1994	7059999.94277954
1995	5219999.79019165
1996	519999.980926514
1997	620000.004768372
1998	689999.997615814
1999	1190000.0572204601
2000	2420000.07629395
2001	3069999.9332428
2002	4610000.1335144
2003	3569999.9332428
2004	2789999.96185303
2005	3690000.05722046
2006	2210000.03814697
2007	1059999.9427795399
2008	4039999.96185303
2009	2200000.04768372
2010	910000.026226044
2011	389999.98569488496
2012	451876.3422966
2014	581820.011138916
2015	811231.970787048
2016	-34510.038793087
2017	689840.018749237
2018	2519578.69529724
2019	2241699.93400574
2020	-4626.85991078615
2021	2773540.01998901
2022	5180834.29336548