Year	current US$
1960	14656058.727698643
1961	18379752.610557098
1962	20845869.240265932
1963	22333199.30554349
1964	31638920.928871304
1965	36840693.670089416
1966	34914820.79072328
1967	25589146.330816023
1968	27908889.544645652
1969	27863484.40667776
1970	30264917.724142905
1971	37657772.08558433
1972	57690581.27901199
1973	80175014.5945845
1974	132992822.14169607
1975	82085397.56589547
1976	120314810.06270696
1977	57977413.49287876
1978	87964221.27038935
1979	57110491.77487553
1980	10777574.290138958
1981	-5416645.676273626
1982	47453662.72747099
1983	57762294.512124926
1984	65026558.262873605
1985	28700219.830941193
1986	3176445.412261871
1987	59253909.6790493
1988	69498279.59186153
1989	144196814.45340705
1990	168218705.53455484
1991	261603036.45735952
1992	289393112.70922214
1993	247560934.24336272
1994	309694051.8312909
1995	272668564.1196433
1996	204120834.30040592
1997	283939935.0905122
1998	248261329.6654629
1999	-42379860.382873796
2000	-84978734.33488624
2001	-769115.88524078
2002	-4712920.516362016
2003	167439582.15120617
2004	98148646.52128865
2005	189007657.14360037
2006	191982807.69631085
2007	394131818.77002656
2008	533561847.1389333
2009	687253761.1481757
2010	1410180057.8277524
2011	2055735344.04321
2012	2086454425.525122
2013	1859082524.2256105
2014	1994227064.132901
2015	1482901984.1214306
2016	1890906821.7316842
2017	2216782978.9286013
2018	2749186673.1824584
2019	2864192621.004719
2020	3540654189.463832
2021	3673669630.9902062
2022	3038221862.4604607
2023	3139363582.966641