Year	current US$
1960	1799999.9616295125
1961	2780000.0458955807
1962	5389999.9223649455
1963	4000000.0093132225
1964	1369999.9898672109
1965	1940000.034868721
1966	2429999.9773502317
1967	5689999.92311001
1968	5520000.219345098
1969	6699999.928474428
1970	5779999.822378157
1971	4939999.887719755
1972	3840000.033378598
1973	4110000.073909761
1974	4739999.897778036
1975	6610000.157728788
1976	8529999.92668629
1977	5810000.190511353
1978	11949999.580159783
1979	20259999.770671107
1980	11560000.36001205
1981	9349999.811500315
1982	8169999.927282324
1983	12520000.148564583
1984	12579999.931156635
1985	20000000.094994903
1986	22630000.03620982
1987	21610000.131651755
1988	20390000.008046623
1989	19429999.923333526
1990	21010000.253096227
1991	18659999.907016758
1992	18889999.663457267
1993	22130000.127479434
1994	24240000.44725836
1995	12129999.915137883
1996	12829999.93488193
1997	6889999.898150565
1998	7729999.82349574
1999	44579998.97189441
2000	9690000.278875235
2001	16070000.056177374
2002	11759999.964386178
2003	9289999.980479477
2004	3879999.9654293004
2005	8620000.014081595
2006	7320000.043138862
2007	13489999.974146482
2008	15920000.25510787
2009	17170000.050216924
2010	19020000.090822574
2011	14939999.993890528
2012	18220000.4104525
2013	32409999.627619963
2014	25139999.69512228
2015	17519999.884068955
2016	21509999.837726347
2017	18600000.075995922
2018	15900000.04507596
2019	12700000.125914805
2020	13930000.133812431
2021	18190000.075846903
2022	14929999.714717261