Year	current US$
1969	6640000.0769645
1970	16649999.7340143
1971	14540000.3623217
1972	19370000.2357364
1973	22650000.4678965
1974	21459999.695420302
1975	24479999.884963
1976	28669999.9272823
1977	33500000.2123415
1978	41019999.9623001
1979	49410000.1547486
1980	47370000.1575053
1981	28580000.646412402
1982	51719999.9373406
1983	41199999.8744577
1984	59039999.7979403
1985	85579999.1339445
1986	70709999.5017052
1987	99779998.5706806
1988	109060000.017285
1989	105879999.924451
1990	115479998.599738
1991	114299999.920651
1992	86719999.68588349
1993	87669999.346137
1994	57589999.3181229
1995	85980000.2872944
1996	17420000.1750141
1997	43580000.0987947
1998	47130000.0138581
1999	49400000.5722046
2000	36979999.8290837
2001	29309999.719262097
2002	19939999.5580316
2003	21969999.8423457
2004	21759999.8600781
2005	23300000.164657798
2006	19909999.936819103
2007	18289999.961852998
2008	18039999.7662753
2009	6980000.02652407
2010	7369999.90791082
2011	13159999.7803569
2012	6300035.875290629
2013	4645269.81581002
2014	13308793.8032113
2015	9184695.10599971
2016	17816104.7287285
2017	13145370.2312429
2018	13884933.9857697
2019	18395529.8066139
2020	19598277.7569443
2021	15057029.9730171
2022	32287116.348743442