Year	current US$
1970	4039999.891072509
1971	5830000.061541793
1972	7240000.17717481
1973	14469999.872148037
1974	17400000.113993883
1975	17750000.119209293
1976	17789999.820292
1977	27700000.2227724
1978	51510000.951588154
1979	63869999.91908674
1980	65269999.459385894
1981	42390000.80525877
1982	50759999.52852723
1983	67960000.86516136
1984	55480000.227689706
1985	69039999.68245633
1986	78509999.8116493
1987	82820000.36537655
1988	86820000.70810315
1989	110640001.11818317
1990	110749998.27146527
1991	116739999.53269958
1992	87909998.20828438
1993	87459999.85933298
1994	106220003.15785405
1995	106269999.98092644
1996	117300001.56164163
1997	102899995.96774583
1998	123410002.06768508
1999	110479998.70777123
2000	89129999.38428403
2001	100270001.19164583
2002	88270001.95533039
2003	47300000.08642669
2004	126929997.92099
2005	153780000.20980832
2006	145269997.11990356
2007	153030000.910163
2008	187410003.43300408
2009	234050000.66757193
2010	261519992.82836932
2011	227090000.15258795
2012	211320003.27855352
2013	137749997.7946282
2014	161169997.0699846
2015	134740000.22932887
2016	77920000.22716825
2017	122649999.32050711
2018	128220002.52827992
2019	92759999.17648727
2020	70480001.2260675
2021	145500000.0558796
2022	85859999.56727034