Year	constant 2015 US$
1960	4200026.462035073
1961	4547448.271750361
1962	5349336.484699145
1963	6125334.443825876
1964	6673458.772483807
1965	7234367.698807873
1966	7906835.099592249
1967	8203621.684362333
1968	8411418.407125045
1969	8710447.336941086
1970	8991279.403764168
1971	10414194.747555247
1972	12756924.966103531
1973	17291501.636761695
1974	22443008.78681011
1975	28071912.406196088
1976	37901466.81695635
1977	45122892.85482251
1978	53750192.0718468
1979	65827954.30345313
1980	84907684.42123063
1981	100660588.8984793
1982	109848406.43208921
1983	123587602.2124991
1984	143764804.88435313
1985	168717909.6759824
1986	192665935.45195484
1987	220537841.38981614
1988	286977564.16538775
1989	344180426.15251386
1990	384083642.91544116
1991	507406970.9154625
1992	585674161.4204407
1993	636213273.5425222
1994	704714749.9972818
1995	824279870.1793165
1996	929842026.4273007
1997	1035741800.5695196
1998	1282965065.4906836
1999	1418131982.7540426
2000	1428116555.2395525
2001	1473766831.2800474
2002	1684744558.3289647
2003	1785098345.3506346
2004	1848439356.7957215
2005	1960304483.6285114
2006	2123823814.8410351
2007	2536896847.697752
2008	2703672547.5377197
2009	2785990466.2950535
2010	2943314889.3482704
2011	2989040149.543067
2012	3281676401.714479
2013	3222754144.2500353
2014	3315778234.603141
2015	3396513383.448817
2016	3403663840.1556783
2017	3314799249.3401155
2018	3259788098.6611085
2019	3356424479.4663115
2020	3324911176.492962
2021	3319330040.5901856
2022	3340788024.102568