Year	current US$
1962	539522287.8970789
1963	591801896.1174251
1964	590993949.8417876
1965	654043515.434265
1966	682375936.0268904
1967	694819495.1885561
1968	697444460.8563067
1969	648673948.898924
1970	671218504.2822086
1971	724353911.7102119
1972	733501243.3341881
1973	768021669.4630853
1974	1046376301.2998372
1975	1192011343.8339972
1976	1154999969.9544756
1977	1278587929.031798
1978	1603842494.1580517
1979	2034951703.797176
1980	2438190464.1239657
1981	2422217754.3896074
1982	2253601639.3432016
1983	1881099549.177446
1984	1442811952.9381268
1985	1489264808.3239121
1986	1745156693.1846113
1987	1991062664.1655314
1988	2463712501.6017275
1989	2501903174.150691
1990	2698457205.2104607
1991	2998459630.6677656
1992	3627950426.351733
1993	3420685188.230334
1994	2753941047.9303083
1995	2507922537.2274604
1996	2345535538.3891177
1997	2435686323.8465824
1998	2656816194.254092
1999	2618159295.020015
2000	2536805745.176872
2001	2612582298.567415
2002	2719856599.0102105
2003	3117553889.841146
2004	3722973392.30267
2005	4554154928.128501
2006	5060170252.000643
2007	5594054274.033451
2008	6737679638.899063
2009	7597041499.144672
2010	8509397415.68448
2011	8957171056.619358
2012	9768088870.613909
2013	10628680701.206924
2014	11298670147.8894
2015	11120160857.541119
2016	10962186269.201996
2017	11171380572.128815
2018	12864418487.960411
2019	13891015055.804012
2020	13296851544.165691
2021	14814409554.604164
2022	15121636234.978092
2023	16303272745.494421