Year	current US$
1960	59300000
1961	59300000
1962	66700000
1963	69100000
1964	71500000
1965	78900000
1966	90200000
1967	89500000
1968	138700000
1969	127010000
1970	148200000
1971	184745165.852066
1972	261712599.761047
1973	310413933.302387
1974	386678314.328785
1975	485778082.947107
1976	607805088.847585
1977	719551824.524381
1978	925140092.270174
1979	1012716612.91501
1980	990101943.772928
1981	1073844544.59639
1982	1083623988.23186
1983	1112297497.84076
1984	990223144.772271
1985	986943497.363796
1986	1145363582.98778
1987	1414600204.28719
1988	1364710682.1332
1989	1355148332.32581
1990	1431763124.72436
1991	1333286634.05284
1992	1268341551.28082
1993	1362442867.70356
1994	1849634580.43249
1995	1604472882.05634
1996	1619839724.37276
1997	1487565730.32252
1998	1662710867.13178
1999	1788027024.62699
2000	1470184013.84209
2001	1666165881.29433
2002	2209325929.85996
2003	2728692460.61478
2004	2731984057.53772
2005	2576428779.69299
2006	2976773160.26694
2007	3785427062.06583
2008	368291199.326502
2009	532092639.961921
2010	535797024.409551
2011	499787920.742163
2012	688260045.960483
2013	584888291.286177
2014	615634496.55437
2015	568517422.679452
2016	673601487.752481
2017	829102350.762179
2018	1020768779.12178
2019	910201561.122226
2020	919117709.381045
2021	1143866494.25072
2022	1195524020.77094
2023	1204258871.48281