Year	current US$
1970	20000.008866192307
1971	-570000.0263750547
1972	170000.00178813926
1973	399999.9947845934
1974	6939999.807626013
1975	859999.9826401459
1976	2599999.9996274696
1977	3570000.0375509257
1978	3930000.0257790075
1979	5499999.988824126
1980	5829999.9702721825
1981	5339999.99053776
1982	13759999.47078526
1983	10990000.458434222
1984	2940000.053495172
1985	7070000.0990182115
1986	5440000.046044584
1987	5650000.073015688
1988	6810000.082477924
1989	9149999.879300602
1990	12270000.012591481
1991	26159999.759867825
1992	13089999.970048666
1993	30389999.4622916
1994	29800000.283867154
1995	32369999.440386925
1996	28780000.096186996
1997	20850000.03501773
1998	26209999.97481705
1999	27309999.849647272
2000	18209999.790415175
2001	79590001.44526362
2002	14989999.923855068
2003	17559999.998658888
2004	21049999.561160795
2005	22190000.329166654
2006	22099999.627098445
2007	23450000.213459134
2008	23550000.00819564
2009	21919999.787583955
2010	30360001.0201335
2011	24790000.546723597
2012	20969999.967142947
2013	21619999.624788757
2014	23759999.949485067
2015	16910000.111907728
2016	18950000.06817281
2017	17239999.97600912
2018	19479999.95015561
2019	19969999.840483073
2020	18989999.929442998
2021	23400000.505149372
2022	21239999.754354358