Year	current US$
1970	1549504881.450488
1971	1808141342.7561839
1972	2398176426.9829507
1973	3160024529.844644
1974	3686495659.037095
1975	3092305882.352941
1976	2777320954.907162
1977	3094730225.2488217
1978	3702002737.2262774
1979	5643155737.704918
1980	7058033640.368442
1981	6501188925.081433
1982	6314253279.515641
1983	6687714440.825191
1984	7358490824.431663
1985	7929289328.156254
1986	10071952821.337622
1987	13172520278.92415
1988	15572504178.272982
1989	17854164756.811817
1990	22960185627.900436
1991	23689342306.0913
1992	26315596970.59697
1993	22422442338.86049
1994	25055310386.47343
1995	31620944672.946793
1996	32556406290.616066
1997	31774839336.763863
1998	33876548308.103294
1999	33756675284.724785
2000	33452144655.719288
2001	33364915450.302402
2002	36493691734.673004
2003	45217764524.70148
2004	52396449477.40554
2005	53424570457.64978
2006	63373039603.549324
2007	75020812081.13907
2008	82346807428.8703
2009	66778989702.411285
2010	71598934532.66681
2011	84455064293.34647
2012	81685225652.25587
2013	89682537231.50182
2014	92457300368.9836
2015	80984130312.33238
2016	83005656043.17102
2017	94573528088.03781
2018	105274675792.78894
2019	104414522676.56454
2020	84848916302.1154
2021	105795806127.50993
2022	126574910958.58804
2023	136194877096.61024