Year	constant 2015 US$
1968	830122456778.48
1969	852052903629.4474
1970	896673151666.541
1971	914906842425.6102
1972	916975409823.4954
1973	964647135463.8186
1974	993576423022.476
1975	1027337806181.3151
1976	1039992050838.3538
1977	1066545182014.206
1978	1084374164222.3601
1979	1097884959180.5164
1980	1122388489442.352
1981	1171224675480.3894
1982	1233588673013.8906
1983	1281048687397.6306
1984	1355822113429.8318
1985	1392491551719.9858
1986	1424929800539.36
1987	1458522472693.1526
1988	1531969391047.989
1989	1573105186499.496
1990	1638561344233.472
1991	1653187126651.246
1992	1706091340084.942
1993	1716704899020.0461
1994	1743879378291.3445
1995	1773481242682.2246
1996	1863921623700.1584
1997	1889558967427.6904
1998	1933086273189.7542
1999	1990702521102.7764
2000	2034062498033.1433
2001	2082949357476.906
2002	2134972589762.595
2003	2182355135732.4338
2004	2276359919166.7827
2005	2348708242014.2534
2006	2430414633089.499
2007	2494433470967.033
2008	2584900640879.826
2009	2634981451374.118
2010	2720195722108.6377
2011	2841139475596.7275
2012	2894654842102.891
2013	3013767389455.4834
2014	3105705965645.8755
2015	3172974688766.0337
2016	3235211295495.2974
2017	3369176291941.889
2018	3444937472323.0737
2019	3551642895299.0874
2020	3620704377333.053
2021	3760164139283.7085
2022	3863879391557.7856
2023	3961358138699.966
