Year	constant 2015 US$
1970	1481419127.9137485
1971	1845535230.7102425
1972	1855010331.0569813
1973	2232131283.7371573
1974	2511533450.7099943
1975	2191203965.2074556
1976	2111262089.446282
1977	2545756223.6106744
1978	2638436739.8571997
1979	2703510292.3659554
1980	2784359249.4761114
1981	2982494027.407065
1982	2965487887.5905423
1983	2677972549.9179153
1984	2922877085.325739
1985	3198189119.773663
1986	3228525302.1664743
1987	3979650052.9936337
1988	3797187608.6125083
1989	3407699107.6186824
1990	3441463211.68672
1991	3622438368.9170465
1992	3406094088.8725348
1993	3150595749.0178885
1994	3271010830.3121133
1995	3389340005.7991037
1996	3884152749.0115523
1997	4151387263.5029044
1998	5062425973.849801
1999	5232135837.342261
2000	5640348937.973021
2001	5077686258.186546
2002	4939037159.681258
2003	5445556877.729673
2004	6241810883.313708
2005	7978724636.673391
2006	8762236014.468025
2007	8563947634.366151
2008	6824378056.035426
2009	5413819483.9226675
2010	5539342150.092545
2011	5914558338.823863
2012	6186847496.496069
2013	6193397022.414518
2014	6813992584.434844
2015	7736736412.41335
2016	8866529424.884115
2017	9915492158.414251
2018	9825502829.825802
2019	8932529457.051846
2020	7089268573.9574
2021	8500377606.280567
2022	10197886592.402842
2023	10051183132.142244