Year	current US$
1970	2439999.9920278788
1971	1949999.9918043618
1972	2299999.937415122
1973	1610000.0217556949
1974	2989999.994635581
1975	3610000.0813603387
1976	2109999.9994039526
1977	1919999.9757111063
1978	3159999.9815225615
1979	3089999.98122454
1980	3389999.9745190116
1981	3429999.9363720403
1982	3299999.97466803
1983	3899999.957531687
1984	3690000.0106543307
1985	4480000.093579296
1986	6589999.973773956
1987	5749999.97019768
1988	4719999.939203263
1989	6459999.9934434835
1990	8939999.923110008
1991	11410000.2348423
1992	12779999.881982803
1993	10550000.190734863
1994	8569999.951869236
1995	8949999.83720482
1996	14330000.121146433
1997	9050000.071525581
1998	9349999.964237206
1999	5020000.040531159
2000	4599999.904632558
2001	4800000.011920934
2002	3950000.0476837168
2003	3630000.054836274
2004	4189999.997615808
2005	5579999.983310698
2006	4819999.903440472
2007	5599999.99403953
2008	5360000.073909765
2009	5059999.942779548
2010	4480000.07867813
2011	4879999.87602234
2012	4129767.0602798457
2013	3830106.735229492
2014	4698157.906532294
2015	5301323.771476751
2016	4994538.247585293
2017	5715999.960899348
2018	5973146.319389343
2019	6257000.029087061
2020	6783999.91989136
2021	4955000.04291535
2022	5860000.014305115