Year	current US$
1970	730000.0060349699
1971	29999.99932944774
1972	549999.9858438969
1973	29999.990016222437
1974	-49999.9951571221
1975	-50000.0044703484
1976	59999.9986588955
1977	840000.0259280199
1978	129999.9989569188
1979	10989999.7711182
1980	10800000.26524066
1981	230000.004172325
1982	909999.98152256
1983	619999.989867211
1984	810000.0005215408
1985	2499999.9701976776
1986	1710000.0195205216
1987	839999.9868124718
1988	1630000.0287592413
1989	3639999.98569488
1990	27649999.72283842
1991	17649999.581277367
1992	52090001.378208384
1993	30829999.322071627
1994	41450000.66980715
1995	15899999.976158138
1996	17209999.948739998
1997	19510000.1692772
1998	18180000.28468668
1999	15860000.349581229
2000	11930000.15616417
2001	16220000.136643648
2002	17689999.539405107
2003	21289999.77558851
2004	17190000.046044588
2005	31699999.92847443
2006	26089999.88436696
2007	37199999.33242792
2008	46620001.986622825
2009	25750000.108033404
2010	27959999.2521107
2011	13080000.40054318
2012	49550000.87618835
2013	37629998.80313869
2014	28989999.711513504
2015	24850000.26226041
2016	48019998.09220431
2017	70209998.13079834
2018	57910000.80108638
2019	83740001.20162961
2020	60569999.6948242
2021	76830003.73840335
2022	61239999.830722794