Year	current US$
1972	1219999.9727308748
1973	1979999.9669194242
1974	1889999.9707937236
1975	7410000.00387431
1976	8919999.951496717
1977	5950000.170618299
1978	7130000.239238143
1979	8080000.218003996
1980	6519999.8263269635
1981	6710000.116378063
1982	5010000.057518483
1983	5139999.931678178
1984	5550000.026822081
1985	6289999.99910593
1986	4079999.9982118607
1987	6099999.824538834
1988	4569999.862462277
1989	6630000.14238059
1990	9529999.997466799
1991	6679999.854415648
1992	9110000.068321824
1993	11720000.166445974
1994	7810000.024735931
1995	12849999.982863665
1996	13200000.064447526
1997	13129999.782890078
1998	11990000.076591969
1999	15749999.798834324
2000	11589999.688789247
2001	11320000.307634471
2002	11109999.986365438
2003	15040000.153705478
2004	16339999.571442613
2005	19759999.690577384
2006	27789999.468252096
2007	21689999.69214198
2008	30559999.182820324
2009	25799999.412149183
2010	41660000.6446242
2011	41049999.42146239
2012	39580000.47504901
2013	36539999.23914668
2014	43450000.85607171
2015	44449999.22253187
2016	52210001.420229614
2017	55270001.091063045
2018	61059999.71181151
2019	59069999.51414761
2020	56540001.19864945
2021	119169998.41108915
2022	38320000.44360752