Year	constant 2015 US$
1964	1102015189.817357
1965	1233325985.887276
1966	1194919952.255571
1967	1231324976.5194545
1968	1312748794.2946372
1969	1351734924.3272152
1970	1540825577.5570405
1971	1571347097.5388618
1972	1577349770.111486
1973	1639954122.3530166
1974	2167626932.971358
1975	2359967077.623175
1976	3259290788.5717316
1977	2998216585.1162624
1978	2600834802.7170196
1979	2538928495.1669707
1980	2454646021.8654456
1981	2526122691.102287
1982	2745810568.8125815
1983	2478528255.3016877
1984	2241296316.838449
1985	2105212732.023764
1986	2342614795.191173
1987	2298505573.7832766
1988	2146113258.7487884
1989	2439629821.094874
1990	2554244553.2551656
1991	2265125481.1880307
1992	2031602149.4174216
1993	2003762472.1138005
1994	2180248058.2727227
1995	2150125532.552024
1996	2398376611.205623
1997	2304775473.486139
1998	2610934043.141244
1999	2736521446.26116
2000	2778876923.528611
2001	2786353750.3752303
2002	2902120538.472314
2003	3017271827.8970766
2004	3089976287.5650516
2005	3182109137.5937605
2006	3321425773.873102
2007	3558664645.4194055
2008	3788093064.4767303
2009	3883101485.255602
2010	4015436714.8196936
2011	4046064589.2156796
2012	4396473885.198167
2013	4478883422.405758
2014	4626009494.84211
2015	4840681048.642156
2016	5034425870.067148
2017	5201452955.387041
2018	5412635536.932228
2019	5629887509.575783
2020	5623561072.2529335
2021	6062002425.619202
2022	6497885223.156636
2023	6689003560.243158