Year	current US$
1960	100524119000
1961	106155923000
1962	110129885000
1963	120978773000
1964	138987535000
1965	150434567000
1966	167231004000
1967	177079024000
1968	200915778000
1969	228084521636
1970	265106647455
1971	291161116545
1972	349556561000
1973	488554062000
1974	701516953182
1975	727996805727
1976	836180368182
1977	951542788182
1978	1109846046182
1979	1413094348925.1
1980	1706331134779.27
1981	1751846642602.2654
1982	1623758232930.4324
1983	1573964416427.1658
1984	1675566178119.1772
1985	1700002471629.454
1986	1845331553703.3826
1987	2174415467002.1719
1988	2499017348778.6157
1989	2705877304587.015
1990	3108316464519.25
1991	3206922631030.335
1992	3490524934468.4414
1993	3495921266583.733
1994	4002473123096.3687
1995	4777216670047.291
1996	4997870777919.268
1997	5401117103559.342
1998	5282465876177.989
1999	5539544614646.772
2000	6332293096872
2001	6107232861011
2002	6407813600173
2003	7491723518773
2004	9061482578345
2005	10307623964875
2006	11872833483935
2007	13747847658506
2008	15968388420044
2009	12194661017287
2010	14937526036588
2011	17849744544049
2012	18032885517558
2013	18412118337296
2014	18494653929897
2015	16114816138743
2016	15552487077746
2017	17181276826263
2018	18948281805549
2019	18429024117996
2020	17029510891718