Year	current US$
1960	196.32392710017078
1961	201.37487329614308
1962	207.63353394411683
1963	211.901117833205
1964	224.64111707217023
1965	251.23903988427236
1966	267.33410260174514
1967	289.1089849613947
1968	320.8586441148841
1969	352.45263457082035
1970	385.812266017851
1971	469.0835554282615
1972	569.6634544281427
1973	874.1135952841975
1974	1448.7637069233037
1975	1575.80607387262
1976	2011.0272869926002
1977	2311.0154297308927
1978	2166.890348316649
1979	2429.5617723861164
1980	2449.653401094615
1981	2482.9204846546318
1982	2963.4980596363143
1983	3551.4946474781
1984	3556.4850292043675
1985	3812.1063695397356
1986	4274.805240010594
1987	2651.484867643769
1988	2361.417198360803
1989	2246.1917403465504
1990	2237.052261401118
1993	1066.7419384519737
1994	1197.6421461743605
1995	1585.977936783923
1996	1954.6607523228643
1997	1823.274513702991
1998	1737.7000329451403
1999	1765.7836427067136
2000	1672.0228764901306
2001	1902.9476390668415
2002	1910.4771336696042
2003	2259.51631977961
2004	2751.793041736379
2005	3226.613970633881
2006	3736.177792614304
2007	4838.003556146417
2008	5623.911680932276
2009	5602.556281839095
2010	6458.573956137653
2011	8201.581677976958
2012	8329.002066648785
2013	6280.681867408137
2014	5757.54333251596
2015	4990.936795416546
2016	5497.243232546989
2017	5758.590727668073
2018	3850.751252913952
2019	3276.7532650822627
2020	2746.419483175908
2021	4084.2003047864746
2022	4668.457443058264
2023	4502.546329180502