Year	current US$
1960	41987616.22076617
1961	46459419.23321878
1962	50177660.36418896
1963	48137413.89855243
1964	53846256.5035233
1965	56286114.130292185
1966	60213093.50808024
1967	64603586.18632585
1968	67829222.44962765
1969	62287914.85896627
1970	76302006.29741767
1971	79858965.5008526
1972	85268097.6121717
1973	101796566.32327464
1974	120007833.00139406
1975	124525763.49813753
1976	139294049.75408837
1977	143615633.9616307
1978	182936219.33859816
1979	178553423.08279642
1980	175041293.98606506
1981	132421607.07836793
1982	54751112.11593408
1983	136673323.99049073
1984	165602339.38621274
1985	123003840.6259632
1986	143026030.24636853
1987	179740702.8965747
1988	222673412.72905183
1989	197582396.75137728
1990	234367649.8482793
1991	224348643.65551573
1992	208710952.47865272
1993	194955480.32849357
1994	190020006.6031142
1995	317076027.4019175
1996	281984781.1103155
1997	286444703.1495084
1998	322640880.2651708
1999	281123360.420699
2000	234520132.6850205
2001	250908654.89659593
2002	253418838.15630347
2003	675636728.8997072
2004	2256048166.084103
2005	3190156502.2686987
2006	3534906076.4391108
2007	3849613519.2882504
2008	4437595919.189612
2009	3264608901.8344617
2010	3930727392.913865
2011	4732259786.578136
2012	4757483810.532972
2013	4347930619.805452
2014	4762356078.845452
2015	3285310501.417041
2016	2655214463.332414
2017	3387429836.9906144
2018	4067531563.95139
2019	4157368006.325561
2020	2862741177.836664
2021	4564757756.365608
2022	6114122106.84469
2023	5720536633.999574