Year	current US$
1962	32.875964730921666
1963	38.30178691236928
1964	44.01032845893778
1965	219.4784357592398
1966	229.20764003356365
1967	234.5121408832109
1968	214.1101584532965
1969	210.84070142236152
1970	209.27711685074718
1971	208.19534658151895
1972	214.26765032554138
1973	272.4483372381632
1974	324.06563476954375
1975	368.19496928086704
1976	375.5545287607605
1977	383.1847211658593
1980	179.2611236234964
1981	123.69564857952983
1982	140.2879186848682
1983	131.97698235941832
1984	140.56317659902737
1985	164.17023662900968
1986	192.32824503054343
1987	225.05505360750206
1988	232.94180983609817
1989	196.8377299430199
1990	240.83267602328579
1991	229.55161947597654
1992	268.6974828091056
1993	261.51190276222377
1994	186.68239999887896
1995	252.97528420989295
1996	399.0281437741893
1997	730.4487849371168
1998	588.6416080848614
1999	948.2295984887733
2000	1527.056377715917
2001	2031.4193863633109
2002	2395.8451194752943
2003	3146.5185753402816
2004	5337.614389296761
2005	9502.858816147818
2006	11140.190165051314
2007	13776.90333272623
2008	19849.717766970458
2009	14398.77048577705
2010	14905.514576464559
2011	18659.416024757138
2012	18756.425027322457
2013	17644.594304541424
2014	16804.924927197626
2015	9788.983803697178
2016	8035.307666438503
2017	8410.397974336918
2018	8719.186875905618
2019	7317.390026179623
2020	6198.942518519043
2021	7473.926060692964
2022	8052.256529299335
2023	7066.616592577336