Year	current US$
1960	213906328.82179812
1961	222187326.2533341
1962	227419530.25341412
1963	246772027.87988627
1964	264125079.68911725
1965	286605584.7971264
1966	304655609.23444
1967	307083308.76364386
1968	317731959.79229575
1969	320799662.8750327
1970	325928802.682149
1971	334272768.1159843
1972	406442351.2585785
1973	490315177.83435905
1974	537720007.1583157
1975	674045197.9325556
1976	708081761.4882185
1977	756432264.585228
1978	947014098.8140082
1979	1191963219.313969
1980	1494471630.726409
1981	1450594449.5869606
1982	1200723913.7960045
1983	1100736440.5994976
1984	1036126276.4211955
1985	1088126960.5124338
1986	1369172255.5789866
1987	1605474499.6384168
1988	1663119778.131022
1989	1494668299.2093568
1990	1828593160.1996214
1991	1884368663.5834932
1992	1638375444.9581017
1993	2147066749.5933495
1994	1437376843.4408197
1995	1901515201.0115726
1996	2029828209.006846
1997	1946531806.8805573
1998	2142131933.919514
1999	3315010496.579601
2000	3172537453.6309943
2001	3327730701.0851
2002	3753160504.6071873
2003	4769604140.474319
2004	5426222535.946355
2005	5913687647.283463
2006	6385944635.659861
2007	7241960715.981151
2008	8784833942.201365
2009	8762911643.142412
2010	8551170480.833102
2011	9522954341.940086
2012	9767289653.15479
2013	10664852472.938913
2014	11045952572.896486
2015	9860273434.576054
2016	9870745149.790726
2017	10555709199.109457
2018	11532614591.26993
2019	11338508118.87429
2020	12463814332.035713
2021	13684318281.467224
2022	12389699913.939627
2023	13474722965.273804