Year	current US$
1960	46855659.03594447
1961	40799694.55505908
1962	37293318.290642604
1963	51318339.2545361
1964	56737066.189189516
1965	54186910.83357301
1966	76817895.6707028
1967	88611414.48554403
1968	106461306.93165568
1969	113915450.84683438
1970	110215496.76910585
1971	134578439.0359635
1972	118325068.89697565
1973	150385420.57393897
1974	166059737.3327171
1975	185775328.53548598
1976	177487048.15704116
1977	190560461.57838234
1978	255938060.31331015
1979	557423888.449855
1980	2423509387.953119
1981	1698505689.5636802
1982	1260748390.3815577
1983	1218438624.6863785
1984	1047636606.9965359
1985	713508373.3258866
1986	891580584.366165
1987	803247801.5250343
1988	561377484.6983615
1989	1294035494.0245566
1990	1413799000.582048
1991	998373766.9993898
1992	1340875126.9164999
1993	1538979542.6073756
1994	1157857170.700058
1995	340474829.6522222
1996	469814812.7444351
1997	432772553.52162105
1998	539088328.2026806
1999	525897483.35992295
2000	552294485.9584519
2001	789059496.7234066
2002	587094684.6511633
2003	874597795.9321488
2004	1071242869.8154484
2005	1132427668.2955792
2006	1299050304.8047154
2007	2260553114.4595866
2008	4155572181.675148
2009	3579584823.577203
2010	2698066299.098065
2011	2697484659.0876822
2012	2335354076.5181923
2013	2051490934.9893172
2014	2065122039.3080866
2015	1810764780.6023803
2016	1939143360.8285806
2017	2082697787.8187869
2018	2848736283.589379
2019	3199508924.117386
2020	2312105240.809698
2021	2197448942.321546
2022	3162393735.022323
2023	3418386209.573229