Year	current US$
1970	13019999.87103045
1971	16499999.787658438
1972	29130000.786855813
1973	49580000.74326998
1974	60270000.71108347
1975	112180001.00925562
1976	113970001.74224368
1977	143809997.52879143
1978	153050001.62124622
1979	228240005.0684809
1980	217820003.5989283
1981	196869998.8871812
1982	196989993.53498223
1983	179739999.8567998
1984	148780001.96069476
1985	158059996.60305688
1986	267529998.68989003
1987	234359998.6527114
1988	355449998.66187525
1989	342020003.3169239
1990	448280007.05689245
1991	538100003.7752092
1992	422979996.7836589
1993	317189999.9175221
1994	310960001.9529461
1995	300050001.2412669
1996	352669999.42436826
1997	306859998.0119616
1998	238200001.02370965
1999	232579998.23242432
2000	259360002.36868858
2001	243809999.40820047
2002	279529998.37882817
2003	535850000.12628716
2004	519509997.7254866
2005	553600000.3311785
2006	935929995.4399462
2007	781239999.7320018
2008	832109998.099506
2009	732380009.9492073
2010	711980008.9895724
2011	1130329997.8282313
2012	897449988.1304798
2013	983410000.778734
2014	881460002.9438733
2015	760479999.67821
2016	749150002.0548699
2017	883749994.333833
2018	1031820004.4333935
2019	937929994.0578636
2020	987460002.9252471
2021	1193159985.8850236
2022	897179996.1477519