Year	current US$
1960	1014084507.0422535
1961	1181690140.8450704
1962	1211267605.6338027
1963	1356338028.169014
1964	1470422535.2112675
1965	1894366197.1830986
1966	1970422535.2112675
1967	1612790697.6744184
1968	1489215686.27451
1969	1742156862.745098
1970	1931372549.0196078
1971	2193203883.495146
1972	1850375939.849624
1973	2593103448.275862
1974	2617391304.347826
1975	2426595744.680851
1976	2529237288.1355934
1977	2870285714.285714
1978	3514310645.724258
1979	3754558404.5584044
1980	4225829875.5186715
1981	4053313953.4883723
1982	3885294117.647059
1983	3922707231.040564
1984	4229158512.720156
1985	4205449054.6218486
1986	5402871242.709735
1987	4876353741.496599
1988	4916183742.088608
1989	4957313322.216046
1990	5566875153.298994
1991	6119982047.166989
1992	6335369119.835183
1993	5607869464.013196
1994	4768099154.528712
1995	5715083309.705289
1996	6016490672.406097
1997	6600282232.074845
1998	6714966301.272678
1999	7451672460.930907
2000	4706068975.389003
2001	4941790019.61455
2002	5707231672.212989
2003	7097832397.284613
2004	8231846647.28542
2005	10343903341.659218
2006	18924664110.317154
2007	25055650378.12869
2008	29529259081.513863
2009	25157635161.5376
2010	32417627971.801064
2011	39184137640.77271
2012	39406994701.53167
2013	53467496706.790825
2014	43940436308.39871
2015	40092097811.84836
2016	44951525761.947426
2017	50275304382.24465
2018	53394549372.18191
2019	56910717781.593666
2020	59747454421.52689
2021	68041822260.881546
2022	63321167762.680725
2023	68821542719.81398