Year	current US$
1961	39375100.03968004
1962	49594594.685305275
1963	30959047.099741526
1964	18334969.784024317
1965	18034398.2577647
1966	18567681.99395138
1967	30738998.503339384
1968	43445121.5629115
1969	33608610.32117435
1970	34559130.566293195
1971	38880583.72437792
1972	60382461.93711668
1973	21605331.661120918
1974	50018858.195504285
1975	123013034.26924258
1976	166654225.9549445
1977	158452014.79673627
1978	126465177.52721365
1979	123204818.04870078
1980	192545689.45517364
1981	234877584.3380267
1982	265063983.35148117
1983	214894705.56179002
1984	183522407.5922056
1985	198771352.922099
1986	246919639.78487393
1987	266094694.65538815
1988	276753385.85822135
1989	188384574.18935356
1990	210233842.1764319
1991	312241416.0671751
1992	312618844.2059482
1993	184930959.0439468
1994	667242816.103581
1995	297831928.6377501
1996	262574897.97347605
1997	219193105.61052564
1998	198404007.55895332
1999	221246610.6707723
2000	201011140.2683028
2001	218407179.4310485
2002	169598814.18641266
2003	440490708.2842261
2004	832871934.5124805
2005	1435870335.0903616
2006	1019115837.6768429
2007	1223191961.1324127
2008	1719161793.414055
2009	1246209851.336205
2010	1815374380.6909728
2011	2614769837.3137035
2012	3308046497.201807
2013	3435107878.6649685
2014	2755464530.5144935
2015	2371866938.683008
2016	2001377355.7816918
2017	2577170065.376396
2018	3471442786.0696516
2019	3199139687.0166454
2020	3193550960.68702
2021	3745824047.9325633
2022	3339508383.035452
2023	3815713197.246694