Year	constant 2015 US$
1970	1491232339189.9126
1971	1583455631256.1519
1972	1705009086598.8333
1973	1898454934181.811
1974	2018852042487.634
1975	1962571300198.1125
1976	2148637441079.6736
1977	2276891510293.496
1978	2419596206716.6646
1979	2585116363271.3604
1980	2705816594250.0234
1981	2841675438787.621
1982	2824668751377.046
1983	2902411313629.207
1984	3188144197739.047
1985	3344299453224.8887
1986	3443972516058.8633
1987	3639388475294.6147
1988	3928970348646.6924
1989	4212967888968.785
1990	4433441776688.573
1991	4557603483372.42
1992	4743875703500.815
1993	4907110571272.654
1994	5353637972180.377
1995	5848534581869.694
1996	6214229709618.225
1997	6877603328281.833
1998	7180562483160.802
1999	7586935057577.029
2000	8482083571506.75
2001	8526751096552.678
2002	8718925012055.226
2003	9058779188963.371
2004	9943065392701.676
2005	10592497859603.72
2006	11513303382118.605
2007	12297900000248.32
2008	12612854604572.793
2009	11328935518045.375
2010	12674734563374.709
2011	13488142298595.492
2012	13862740363313.863
2013	14289875390340.938
2014	14818646019217.387
2015	15378825178417.613
2016	15765440368996.262
2017	16510765643597.668
2018	17153881989995.941
2019	17392687355848.291
2020	15939431665070.74
2021	17465333071735.04
2022	18374796163357.574
2023	18396005548012.22