Year	current US$
1962	1674.3644286032254
1963	1780.933939237788
1964	1924.7364114031889
1965	2094.748812154544
1966	2275.209564914244
1967	2408.949263113923
1968	2583.884677900964
1969	2796.8503107660194
1970	2398.8111152997203
1971	2624.7766637275986
1972	3019.891426553305
1973	3696.2792084106245
1974	4334.355151433074
1975	4857.593249173271
1976	5167.372212580488
1977	5543.157517430447
1978	6321.275557007245
1979	7582.578121707651
1980	8761.10466297526
1981	9128.814559197997
1982	8683.944486215218
1983	8328.6485039759
1984	8640.493417414886
1985	9035.314383001572
1986	10154.85638829896
1987	12143.272968770138
1988	14761.611886641589
1989	15582.724957798206
1990	16323.943211247855
1991	16958.995764759507
1992	18321.65333013538
1993	18752.65501322672
1994	19651.84604451206
1995	20969.44164650737
1996	21988.627908866285
1997	22151.131964884906
1998	21286.748303112086
1999	21504.169533144603
2000	22426.45896707278
2001	22456.631312242815
2002	22386.744514298785
2003	24192.823829289322
2004	27718.08649952427
2005	30652.989986683577
2006	32316.720394573214
2007	33776.7801772255
2008	35477.929665409814
2009	34899.0592263585
2010	35951.902317444416
2011	37252.304830232795
2012	38686.455052408346
2013	39594.22629964403
2014	39734.402922106216
2015	38351.63144982348
2016	37370.38242462653
2017	37590.23576377223
2018	40278.811936299535
2019	41851.656582071846
2020	40352.51039248341
2021	44520.24801011879
2022	47261.83958566781
2023	48223.729165624885