Year	current US$
1965	251.5131177543805
1966	259.1725492873621
1967	272.0180629088913
1968	302.20620555277947
1969	323.9063410297542
1970	351.87085401435803
1971	396.3473072405491
1972	462.73068448779816
1973	593.2670744889118
1974	1107.9527763574272
1975	1186.3570088127378
1976	1430.448689929265
1977	1594.4434582274644
1978	1693.4073191686168
1979	2210.5474209562753
1980	2900.5370789570115
1981	2859.016419832122
1982	2593.21440106024
1983	2373.3139560082427
1984	2314.9406109219512
1985	2209.1568837096092
1986	2008.2680830667027
1987	2074.559960358883
1988	2011.7293814246475
1989	2088.390280020352
1990	2833.2218933754543
1991	2020.3615866487476
1992	1969.8476110485801
1993	1963.789680687762
1994	1995.5583329833198
1995	2058.4595614182094
1996	2171.3198420403505
1997	2283.7003759854206
1998	2174.904008517061
1999	2362.9962069257267
2000	2649.7724514736324
2001	2527.9169409274627
2002	2478.9341517941875
2003	2697.4856299927815
2004	3140.309635991215
2005	3760.920112034274
2006	4362.932310078557
2007	4943.510553121933
2008	6084.78537345253
2009	5123.706801362447
2010	5911.330394621701
2011	6874.8431871405455
2012	7344.6307638953285
2013	7344.231051385467
2014	7300.599771143175
2015	6258.607226529732
2016	6022.882817555229
2017	6068.603008103164
2018	6624.834658566678
2019	6565.98083975861
2020	5735.509866870927
2021	6503.79337634305
2022	7776.629379584807
2023	7377.398936294487