Year	current US$
1970	9509999.99046326
1971	10770000.118762253
1972	19990000.15854835
1973	25080000.31858683
1974	33309999.642893627
1975	31669999.942183502
1976	44970000.55946414
1977	54059998.810291335
1978	71639998.27206133
1979	64880000.40501359
1980	107069999.09877789
1981	78399999.33913349
1982	119340000.80078846
1983	59070000.55909154
1984	68449999.75897369
1985	59999998.96809461
1986	105120000.962168
1987	137260000.0761449
1988	140220001.01394948
1989	117710000.86702406
1990	148790001.6251952
1991	103800000.13113014
1992	151780000.2358853
1993	112849998.9844858
1994	113550002.18190256
1995	116069997.38886952
1996	118360000.57309866
1997	93979998.93315136
1998	97159999.63693312
1999	69519999.5618315
2000	56319999.21798712
2001	91370000.85599715
2002	62169999.33123587
2003	52829999.6256828
2004	73969998.47330153
2005	325790010.00523543
2006	314620000.0047685
2007	412999997.84678227
2008	90669999.72611658
2009	97059997.90877108
2010	99529999.67709176
2011	103799999.95231625
2012	65500000.27567156
2013	64749998.02187088
2014	49439999.34196481
2015	33280000.925064087
2016	35760000.22888189
2017	46309999.76769088
2018	28929999.97735023
2019	28610000.267624836
2020	21340000.245720156
2021	30299999.713897735
2022	17060000.061988834