Year	current US$
1960	483290726.6837093
1961	499303360.2786559
1962	524050170.37993187
1963	551708419.3166323
1964	634683026.1267896
1965	669619732.1521071
1966	684459726.2161095
1967	719545654.7644527
1968	660119471.9044224
1969	729119416.7044666
1970	855720342.288137
1971	964334859.9066764
1972	1261173220.7541761
1973	1177637411.3475177
1974	1615681615.6816158
1975	1894531894.5318947
1976	2069872069.87207
1977	2133782243.782244
1978	1630841643.9178128
1979	1511521562.4854798
1980	1710152631.0471423
1981	2016425155.2132568
1982	2232264204.9600883
1983	2351236895.234852
1984	1576923478.8237
1985	1483568184.4104173
1986	1813764731.4184275
1987	2142120216.1530855
1988	2533253676.651446
1989	3050459906.8140364
1990	2980014643.601602
1991	2703742016.156489
1992	2346650514.1483345
1993	3204073984.2596064
1994	3639250554.004326
1995	4593832522.952445
1996	5157281237.023351
1997	5765232957.750784
1998	6180109439.124488
1999	6339311082.042122
2000	6709836061.760074
2001	6763834008.2071905
2002	7217044336.3469
2003	7021784949.081305
2004	7618502153.693306
2005	8858777552.569845
2006	9325859763.204039
2007	10281699247.958172
2008	12219769082.781849
2009	9736498869.321405
2010	10830696576.8877
2011	12399791122.637587
2012	12654495837.635784
2013	12174151122.2901
2014	11847647022.251875
2015	11508116557.136393
2016	10937939490.839293
2017	11594610325.726013
2018	11971249688.488165
2019	12061019179.524393