Year	current US$
1960	389000000
1961	330000000
1962	375000000
1963	398000000
1964	390000000
1965	453070007.711649
1966	636460002.724081
1967	631440001.446754
1968	695230000.251904
1969	738000000
1970	731000000
1971	812000000
1972	865000000
1973	832000000
1974	1064000000
1975	415000000
1976	202000000
1977	220000000
1978	234000000
1979	246000000
1980	187000000
1981	185000000
1982	166000000
1983	255000000
1984	241000000
1985	223000000
1986	468000000
1987	306000000
1988	200000000
1989	285000000
1990	339000000
1991	306000000
1992	285000000
1993	402000000
1994	615000000
1995	377000000
1996	260000000
1997	224000000
1998	314180004.93943703
1999	681980002.522469
2000	493780000.714585
2001	535199992.61386704
2002	778140003.178269
2003	685250008.709729
2004	541450001.3720239
2005	826580010.6395041
2006	725060004.333034
2007	734759998.440742
2008	931759994.853288
2009	823510000.0742819
2010	872399995.487183
2011	958910003.233701
2012	998410008.171573
2013	1113710017.20428
2014	1117999996.96016
2015	1050689992.2862599
2016	1132140010.88962
2017	1351980016.88719
2018	1089990006.32763
2019	943979995.60833
2020	1201550001.47223
2021	1357899995.33631
2022	1160310013.934969