Year	current US$
1970	12029999.79816378
1971	14839999.815449126
1972	15850000.288337458
1973	14960000.11265279
1974	45149999.51981008
1975	56940000.23417176
1976	45460000.148043014
1977	37429999.98666347
1978	80009998.55808914
1979	66559999.16233123
1980	51640000.30234458
1981	41039999.86499552
1982	112549998.55346975
1983	46680000.81554056
1984	26809999.77886677
1985	29619999.85761942
1986	30169999.819248892
1987	32529999.779537328
1988	51790000.71063639
1989	60459999.47562812
1990	68570000.52183865
1991	76919998.96802005
1992	73349999.47622415
1993	71139998.91653655
1994	79799998.78816311
1995	113430000.93102455
1996	73409999.66301021
1997	216969999.40462428
1998	105499997.36621976
1999	218729997.56038186
2000	154599999.61406
2001	110959999.80904159
2002	200490001.4288723
2003	76479999.74712725
2004	61490002.84448261
2005	72079997.8375435
2006	-10349999.606609417
2007	-685079999.6405838
2008	39359999.96960167
2009	67309999.8943508
2010	73630000.23365012
2011	91379998.95028776
2012	202730003.30664223
2013	158869998.56866905
2014	66489999.58112834
2015	166809999.9986589
2016	161240002.76811424
2017	115060000.04708776
2018	139299998.86080617
2019	200090001.91092497
2020	252190001.7373264
2021	172559998.4321742
2022	108730001.32292503