Year	current US$
1970	5629999.887198207
1971	9729999.80859458
1972	10699999.708682295
1973	40329999.729990914
1974	33709998.857229926
1975	72500002.11596495
1976	107660002.36570834
1977	139479999.59252807
1978	98109997.10112812
1979	108379997.62594704
1980	122929997.68257147
1981	99689996.51074408
1982	99270002.31295829
1983	84980000.05818897
1984	98579999.99262393
1985	84279997.41397798
1986	101089999.56957997
1987	69499999.37042595
1988	94439998.56710431
1989	100249998.1559813
1990	159310002.78890136
1991	152920000.899583
1992	404319993.77533776
1993	158259999.3161857
1994	173359999.9230355
1995	163429999.13915983
1996	184740001.79208812
1997	160369997.32069668
1998	142150000.8478762
1999	153490000.17717478
2000	181140000.194311
2001	192299997.78233474
2002	158559998.51971868
2003	187799998.75277284
2004	257860001.67392206
2005	215400002.7067959
2006	229079998.92346552
2007	242009999.5583296
2008	235939998.0790913
2009	189899999.0243466
2010	159440000.768751
2011	187479997.7354705
2012	156550000.43846667
2013	151810001.82777664
2014	156609997.46993178
2015	99649999.02620903
2016	104229999.41557653
2017	118989998.75411382
2018	125629999.59662548
2019	126290001.2303144
2020	130510001.16951764
2021	169420000.5996973
2022	162879997.2385168