Year	current US$
1970	659999.9982863658
1971	359999.990090727
1972	379999.9915063376
1973	569999.9928474426
1974	529999.9956041572
1975	579999.9833106996
1976	969999.9913573262
1977	1960000.0064820019
1978	1639999.9391287551
1979	2249999.945983295
1980	1049999.9783933165
1981	950000.034645199
1982	1479999.9967217452
1983	2409999.96103346
1984	3009999.95134771
1985	900000.0171363351
1986	849999.9959021806
1987	619999.9991804361
1988	1530000.0365823517
1989	1410000.0169128175
1990	2319999.963045119
1991	3250000.007450577
1992	2180000.049993391
1993	1789999.99538064
1994	1799999.9579042227
1995	1339999.9979883432
1996	770000.00141561
1997	300000.0007450581
1998	229999.9967217446
1999	519999.9995529647
2000	1329999.988898634
2001	259999.99232590152
2002	259999.99418854708
2003	179999.9959766865
2004	729999.9892711639
2005	4170000.068843362
2006	1100000.0089406972
2007	3409999.964758758
2008	279999.993741512
2009	1739999.9890476447
2010	4169999.947771429
2011	26369999.85948204
2012	51790000.25615092
2013	46569999.81962145
2014	15560000.075027335
2015	22179999.507963635
2016	13689999.61577357
2017	25279999.751597647
2018	12290000.10341406
2019	10639999.911189077