Year	current US$
1971	170000.00178813902
1972	90000.0035762787
1973	39999.9991059303
1976	810000.002384186
1977	7409999.84741211
1978	11649999.6185303
1979	10470000.2670288
1980	20219999.3133545
1981	27590000.1525879
1982	30120000.8392334
1983	8390000.34332275
1984	23909999.8474121
1985	29049999.237060502
1986	16280000.6866455
1987	19870000.8392334
1988	34580001.8310547
1989	33990001.6784668
1990	25899999.6185303
1991	31229999.5422363
1992	94860000.6103516
1993	143710006.71386698
1994	45709999.0844727
1995	76940002.44140631
1996	37110000.6103516
1997	28659999.8474121
1998	20469999.3133545
1999	80919998.1689453
2000	25680000.3051758
2001	44200000.762939505
2002	104019996.64306599
2003	79379997.253418
2004	123779998.77929701
2005	139080001.831055
2006	98269996.6430664
2007	66440002.44140631
2008	134970001.220703
2009	152350006.10351598
2010	92529998.7792969
2011	81230003.3569336
2012	68440002.44140631
2013	51430000.3051758
2014	46069999.6948242
2015	76360000.6103516
2016	126889999.38964799
2017	54200000.762939505
2018	49009998.3215332
2019	96089996.3378906
2020	54680000.3051758
2021	82510002.1362305
2022	87680000.3051758