Year	constant 2010 US$
1960	18392364080.8295
1961	19448207816.4384
1962	20242577141.5266
1963	21095664368.1523
1964	20967443644.3863
1965	20947072127.5264
1966	23311006910.4518
1967	24100343272.5509
1968	25021016002.171
1969	26338094483.3965
1970	26184229614.8773
1971	29629891943.069
1972	31916295129.4742
1973	29818628055.1543
1974	24369966289.8156
1975	21586498092.0263
1976	21641141690.192
1977	25105737545.8182
1978	26995734980.6183
1979	28747685430.5787
1980	30737623130.4449
1981	34853029033.5222
1982	29711977172.7695
1983	28008798530.821
1984	28184712570.5298
1985	27908139271.0422
1986	29336596565.8666
1987	31457077727.9511
1988	33668225679.2289
1989	37084118911.3362
1990	37896948838.6188
1991	41258486550.8898
1992	46948073273.3469
1993	50435435889.5826
1994	54559208866.1308
1995	59915101443.9316
1996	65566057483.566
1997	70555663171.1323
1998	73984566234.8429
1999	73248897253.996
2000	76279097180.0077
2001	77842603592.0343
2002	79509155989.9002
2003	83103887916.946
2004	89983587165.0717
2005	96917347408.0474
2006	104146247758.257
2007	111514318167.578
2008	116145888753.205
2009	115144344352.403
2010	127461510867.631
2011	137913456756.148
2012	146258151998.757
2013	152950972103.897
2014	157036632784.823
2015	160370669541.161
2016	164608441412.533
2017	169496610851.826
2018	176330764893.138