Year	current US$
1960	52340174.6105849
1961	55303955.63482233
1962	59614674.60058003
1963	61742268.37620319
1964	47262650.253532685
1965	48113638.54509752
1966	50541598.813574344
1967	62777882.98514537
1968	70389672.7697367
1969	79074219.53915212
1970	73994563.6000506
1971	96149801.92747034
1972	123177198.74416783
1973	154654989.69503602
1974	183824251.385104
1975	283412263.5641625
1976	263748239.83414742
1977	344381808.82247704
1978	409486698.01883274
1979	511997852.9312231
1980	602966202.7639163
1981	558238055.7174587
1982	554827918.0189551
1983	473268760.6932254
1984	419829292.4085978
1985	481677816.6064849
1986	589940831.9068104
1987	665476421.8005528
1988	709757473.8225983
1989	618479190.7247529
1990	758452847.7476125
1991	731992011.5816803
1992	655479337.6467297
1993	661457472.4578985
1994	474345780.209323
1995	633116322.1979188
1996	714319725.9369875
1997	651175141.1550853
1998	789066173.7563211
1999	911820910.5427895
2000	780034955.1691954
2001	721473325.2853105
2002	813114613.7134272
2003	1002568390.4311726
2004	1341080287.757436
2005	1495427536.1583974
2006	1581180859.763531
2007	1786796468.4427018
2008	2385163308.3145833
2009	2505097431.0563555
2010	2887043504.962877
2011	3781344358.338776
2012	4351201289.562681
2013	4968860980.95106
2014	4446645106.412901
2015	3902427857.575985
2016	4103751193.7850947
2017	4629394216.118215
2018	5166928258.636947
2019	4994381288.409064
2020	5133679370.81792
2021	5835052304.004643
2022	6229310025.111738
2023	7308738869.829035