Year	current US$
1965	187449200
1966	204923800
1967	223097200
1968	253430900
1969	276442500
1970	300570100
1971	317937100
1972	330771700
1973	409527700
1974	495384300
1975	552146100
1976	679891400
1977	876461500
1978	984278300
1979	1128498000
1980	1311637600
1981	1379445900
1982	1372703600
1983	1434748700
1984	1501607400
1985	1539703043.478261
1986	1150886255.7077625
1987	1110922440
1988	1209623473.2824428
1989	1276856178.9772727
1990	1151430460.582136
1991	1398104886.1774392
1992	1528801906.150701
1993	1652670910.4630883
1994	1862589553.0342271
1995	2068452655.4916875
1996	2189604495.009194
1997	2445448224.6813
1998	2631456383.710747
1999	2454123366.68788
2000	2540524791.518504
2001	3679166436.027416
2002	3845148036.87178
2003	4048242806.231032
2004	4525352847.34303
2005	5089284320.136485
2006	5661758435.994066
2007	6240525606.700842
2008	7226044758.035288
2009	7036776006.533069
2010	7703480751.686788
2011	8886237527.64463
2012	9634476770.273712
2013	7640191685.841105
2014	8143644403.88695
2015	8908980034.135378
2016	9373374805.606941
2017	10132157466.195623
2018	10232442831.085632
2019	10658493096.650019
2020	10966781206.08937
2021	12025010097.760805
2022	13399211679.446337
2023	14282995186.41471