Year	current US$
1960	1086082584.0336134
1961	1045520242.6260504
1962	1051154907.9423869
1963	911043701.3445377
1964	985846848.957983
1965	1276537394.9579833
1966	1314645378.1512606
1967	1393748971.1934156
1968	1348289662.302521
1969	1469124873.9495797
1970	1714053781.512605
1971	1765925801.0118046
1972	1900847571.1892798
1973	2137250000
1974	2652977443.6090226
1975	2809825962.9101286
1976	2657838287.7526755
1977	3033316798.196167
1978	2017003203.0749521
1979	2479436095.054592
1980	2961573502.722323
1981	3244812987.012987
1982	3499125420.4709277
1983	3786566510.837229
1984	4421737421.383648
1985	4367879234.167894
1986	4672922912.205567
1987	4867944972.826087
1988	5076387928.324427
1989	5075506241.331485
1990	5826340489.266101
1991	6518863911.046654
1992	7017574720.5110655
1993	7466434188.741722
1994	8449943342.776204
1995	9382425365.853659
1996	9992860502.985344
1997	10835626072.21563
1998	11323784328.93716
1999	11207911722.819931
2000	11673570964.809765
2001	11241640555.058191
2002	11785825779.845285
2003	13566214256.112722
2004	14657495799.980236
2005	16843432835.820896
2006	19134760146.82309
2007	21723890495.95034
2008	28479542430.368637
2009	27110591004.378162
2015	54443169605.215454
2016	54743759264.00128
2017	55787824307.23494
2018	56933471958.388245
2019	55809896542.79695
2020	53031457073.18072
2021	54230181174.38595
2022	50257060070.14007
2023	58493346168.67731