Year	US Dollars adjusted for inflation)
1960	13898153414.368
1961	14244639648.945
1962	14020350839.1178
1963	14044249768.5867
1964	14387002602.5543
1965	14537433684.9281
1966	14982694335.3787
1967	14434802057.9934
1968	14707462729.297
1969	15570017272.1179
1970	15933298998.6466
1971	15893193047.6144
1972	15683471262.2339
1973	15726632115.0035
1974	16181972308.499
1975	17168573294.2352
1976	17844237375.8741
1977	18103953323.5173
1978	19076857122.5887
1979	20259453764.2454
1980	21443294868.0415
1981	21777715880.8947
1982	19652674358.1017
1983	17633480142.3077
1984	17431996921.07759
1985	17687643436.5125
1986	19245890915.1272
1987	20784241382.2142
1988	21092042998.95849
1989	21324878277.7294
1990	21388287457.46509
1991	22145177992.9259
1992	23901642364.5889
1993	24536839529.7938
1994	26323450891.41529
1995	25942392888.9544
1996	27389448605.6395
1997	29730611911.5597
1998	31074105581.6246
1999	30471512755.40869
2000	29883433694.3553
2001	28734675664.6007
2002	26512908469.96329
2003	26726412657.9005
2004	28063845207.1376
2005	30157445133.4999
2006	31393471352.8303
2007	33447078686.85
2008	35847289438.64389
2009	37368467078.91709
2010	40284481651.90209
2011	42364020183.52609
2012	43862934925.0282
2013	45897095482.1804
2014	47383606579.15551
2015	47559277162.5174
2016	48362932954.0502
2017	49647783476.23698