Year	current US$
1960	129555568.89368683
1961	148846634.2560683
1962	163401935.99912032
1963	169162488.26185483
1964	182325230.49360922
1965	194645508.0433179
1966	216790815.87449208
1967	234909005.50956437
1968	247612044.38949603
1969	260039278.10991833
1970	268160949.27316254
1971	315101012.1400567
1972	404360746.9271613
1973	521707244.0881978
1974	569489858.4185331
1975	737841783.2057706
1976	717374158.263929
1977	727513266.8986182
1978	824162088.2347128
1979	1105749948.980274
1980	1544186457.6058958
1981	1881339658.5341191
1982	2022256902.092487
1983	1923414732.505838
1984	2066650983.1892576
1985	2024073137.7627494
1986	1880968129.5528822
1987	2336153552.9244523
1988	1906837693.060035
1989	2027194947.677521
1990	2323840716.4131703
1991	2278923271.602682
1992	2555424827.8359027
1993	2162161007.5108123
1994	1514504481.0644035
1995	1228291963.0002
1996	1455086431.7074986
1997	1661142500.381192
1998	1478608993.0825279
1999	1645552974.2198472
2000	2280886123.446062
2001	1969428969.7878664
2002	2183515260.550164
2003	2583994527.852931
2004	3167358244.5121274
2005	5043792809.408695
2006	6838186775.390277
2007	7369856880.830949
2008	10214799509.401838
2009	8961396851.17391
2010	12221536231.153788
2011	14089660178.659067
2012	16736472283.299713
2013	17547363836.017014
2014	18182185028.35658
2015	12368954507.417782
2016	10540521862.817562
2017	10275915430.647633
2018	13950567996.141375
2019	12568373989.469055
2020	11405929491.768375
2021	14241663526.961067
2022	14773875170.579384
2023	14485750739.95499