Year	US Dollars adjusted for inflation)
1960	219043459.83739
1961	223128171.68806
1962	257337768.67645
1963	284654352.94453
1964	308141519.85262
1965	314779213.49333
1966	313502716.45108
1967	347712325.73393
1968	346435804.10275
1969	351797025.29013
1970	359455896.89351
1971	377837456.76088
1972	377071548.69995
1973	476636842.6605
1974	528971991.94683
1975	457489374.73221
1976	508037966.65679
1977	618836144.4399
1978	732187586.78567
1979	753376500.84915
1980	732697979.05562
1981	737787578.70761
1982	770672275.35927
1983	785979101.08432
1984	829482241.26188
1985	851133795.90729
1986	891008188.92359
1987	897510127.12169
1988	974713221.97983
1989	1031200235.46491
1990	1093541170.67739
1991	1169723886.71286
1992	1251094152.37417
1993	1295004632.64635
1994	1372444272.94155
1995	1417610570.97194
1996	1496954733.98587
1997	1552396005.17444
1998	1576266513.38852
1999	1583769933.82215
2000	1645149675.74906
2001	1703743037.83098
2002	1716075341.56846
2003	1794324547.55696
2004	1824691227.86675
2005	1887937269.03195
2006	1967798807.56991
2007	2062901802.18173
2008	2201931763.93845
2009	2249368160.49686
2010	2385950663.8256
2011	2550613089.94092
2012	2703600695.52472
2013	2753429274.61273
2014	2839383677.7351
2015	2910839259.42914
2016	2980616573.37731
2017	3147259170.03227