Year	current US$
1970	219999.99880790702
1971	279999.99746680295
1972	279999.9974668021
1973	599999.9921768897
1974	1170000.011101365
1975	450000.0011175869
1976	829999.9907612804
1977	1409999.9926984305
1978	2310000.0172853465
1979	2770000.0032782555
1980	3289999.984204769
1981	3379999.989643693
1982	3970000.036060809
1983	4979999.992996457
1984	7809999.885037537
1985	5609999.952837819
1986	6759999.921545389
1987	11190000.042319292
1988	14700000.030919915
1989	15389999.825507402
1990	14689999.97340144
1991	20269999.997690316
1992	16620000.023394817
1993	21360000.085085623
1994	14499999.649822712
1995	31359999.835491147
1996	12689999.84115362
1997	14520000.191405423
1998	22639999.739825726
1999	11480000.190436846
2000	11370000.12397766
2001	5759999.9383091945
2002	7999999.731779094
2003	11459999.682381742
2004	12769999.682903295
2005	7340000.055730348
2006	9999999.912455669
2007	8849999.854341147
2008	6520000.098273156
2009	8139999.896287918
2010	5779999.865218995
2011	8639999.885112053
2012	8850000.169128174
2013	9589999.914169313
2014	8689999.761059877
2015	8010000.120848417
2016	6230000.037699941
2017	5110000.045970085
2018	4399999.897927046
2019	3540000.021457672
2020	4070000.0431388635
2021	3869999.9451637287
2022	5859999.874606727