Year	constant 2015 US$
1968	671509378.1600224
1969	786020949.5848844
1970	1023180471.4172498
1971	1078039714.6243699
1972	1119439840.6153638
1973	1215734784.5654242
1974	1216063851.0956476
1975	1185528849.4782834
1976	1272390553.134377
1977	1294921233.9199805
1978	1353916042.8926675
1979	1368738859.2123566
1980	1435441532.6808462
1981	1514298915.5051792
1982	1583966152.213696
1983	1632881446.092581
1984	1633177902.428539
1985	1575072462.433838
1986	1566771685.2960074
1987	1612129503.2330608
1988	1590784647.7315128
1989	1626655863.24668
1990	1487024933.4638
1991	1550170131.3790057
1992	1768498306.553296
1993	1800753541.7518234
1994	1698832375.663276
1995	1848170498.331171
1996	1914941009.085521
1997	1913867419.4542105
1998	1991881965.9588835
1999	1948043032.7594807
2000	1975000706.6762621
2001	2218207680.167131
2002	2272895609.8804693
2003	2452690228.9195924
2004	2341362677.446158
2005	2515739396.063818
2006	2718965731.005345
2007	2838365506.320705
2008	2762925370.9701805
2009	3044576131.1786027
2010	3282828317.0071383
2011	3522420095.077214
2012	3619835195.0607667
2013	3723759464.0085363
2014	3813685131.518253
2015	3903174361.5494194
2016	4123482715.2801814
2017	4363437650.769508
2018	4603388838.269833
2019	4791610750.80439
2020	4927481604.768627
2021	5057489832.815702
2022	5312252570.730719
2023	5519016666.564271