Year	current US$
1960	1829470.8833750864
1961	2434608.37785122
1962	3136421.946962209
1963	3735703.291126499
1964	5111682.112040421
1965	6072586.251664726
1966	11227602.328088673
1967	14922250.88905934
1968	20362678.835924227
1969	29593750.913924664
1970	43620029.7593291
1971	64285754.389116906
1972	83783196.26100504
1973	124259127.46321209
1974	146509742.05160734
1975	148815158.18625355
1976	125637531.40938285
1977	151135445.8644116
1978	214693590.70804206
1979	305150753.3064133
1980	424909131.84727716
1981	466095719.329109
1982	382213175.0158548
1983	344508198.36524975
1984	365341854.76746666
1985	256337884.55281734
1986	299205382.87645864
1987	304626547.3295369
1988	623705285.1708531
1989	1113512129.222199
1990	1416446202.188054
1991	1309436241.4713016
1992	1261325528.2086527
1993	1197265664.4965591
1994	1106664009.58041
1995	1283417868.8676567
1996	1136484991.7137883
1997	1207473615.789357
1998	1817349285.8292236
1999	1405394651.624699
2000	1710513936.2577915
2001	1640741628.432514
2002	1642199996.4600608
2003	2264216772.0560007
2004	2808295382.386158
2005	2516836769.7930307
2006	2151741385.5204706
2007	2438372010.8164463
2008	3806046397.9183397
2009	3301643908.6743493
2010	4385400415.831018
2011	5910998952.507175
2012	5006667997.290762
2013	3550712842.6695466
2014	3906671128.152447
2015	3848590027.517052
2016	3328390855.3568344
2017	4027238575.5788136
2018	4411763744.518982
2019	5154998578.915116
2020	4896080416.248191
2021	5130748098.402689
2022	5444344695.664279
2023	5880813709.0522375