Year	current US$
1970	11580000.188201673
1971	10839999.981224533
1972	21819999.845698506
1973	24580000.812187836
1974	31619999.634101957
1975	39349998.580291875
1976	27540000.317618232
1977	24660000.46208503
1978	27509999.77998435
1979	20110000.522807248
1980	27509999.67753887
1981	33000000.366941087
1982	45500000.741332725
1983	34989999.4488806
1984	61369998.72885646
1985	75269998.15925956
1986	97859998.92652032
1987	122990000.18090005
1988	137329997.27316204
1989	125560001.58190723
1990	179469999.00974336
1991	144480000.2221018
1992	161870000.13515353
1993	161830003.28578058
1994	152000000.56438142
1995	119330002.93932846
1996	99620001.61409377
1997	114990000.50686303
1998	107969997.65746304
1999	88329999.20472503
2000	88500001.87940906
2001	86020000.2342462
2002	90220000.36388648
2003	112169999.59945671
2004	103369999.98055388
2005	203069999.9481439
2006	139470000.60975552
2007	175740000.63538563
2008	233180003.37854028
2009	107899999.9184162
2010	80230000.26121733
2011	90610001.08905138
2012	65919999.815523535
2013	123470003.24353582
2014	93089999.8228997
2015	59740001.19790423
2016	69890002.3773314
2017	52990000.42676921
2018	69199999.9564141
2019	73639999.54611063
2020	64890000.22411342
2021	39770001.38536092
2022	78049998.65964067