Year	current US$
1970	7180000.228807335
1971	3029999.9732524194
1972	230000.0041723253
1973	5479999.907314781
1974	4409999.966621394
1975	11390000.21107495
1976	6599999.85434115
1977	5730000.115931036
1978	7020000.103861092
1979	11800000.32484536
1980	6430000.018328429
1981	14200000.273063747
1982	10299999.814480538
1983	6259999.986737969
1984	4350000.156089663
1985	4739999.990910292
1986	23900000.154972132
1987	44540000.42192642
1988	16269999.917596571
1989	25270000.22679568
1990	44669998.77244236
1991	34049999.90016216
1992	29919999.074190866
1993	33739999.845623955
1994	24829999.11904335
1995	26810000.777244613
1996	30829999.113455456
1997	31110000.25272371
1998	36970001.9452721
1999	42459998.46421183
2000	48610000.107437395
2001	27650000.08791681
2002	15279999.693855625
2003	42730001.47193668
2004	27049999.03962016
2005	33490000.132471323
2006	66729999.41185117
2007	72549998.62052508
2008	96349998.35304916
2009	41770000.20630663
2010	73570001.49972746
2011	36839999.73535538
2012	58730000.386014655
2013	83719998.60741197
2014	85370001.93819405
2015	68419998.64391984
2016	84530001.26779076
2017	107989997.3608552
2018	95839999.85456459
2019	160310000.80890965
2020	101659998.2716143
2021	156820002.91347498
2022	138279998.79419804