Year	current US$
1960	127000000
1961	129000000
1962	136000000
1963	142000000
1964	156000000
1965	173000000
1966	208000000
1967	199000000
1968	234000000
1969	261000000
1970	324000000
1971	341000000
1972	330000000
1973	466000000
1974	462000000
1975	411000000
1976	300000000
1977	321000000
1978	523000000
1979	568000000
1980	800000000
1981	801000000
1982	836000000
1983	636000000
1984	540000000
1985	424000000
1986	543000000
1987	642000000
1988	736000000
1989	808000000
1990	878000000
1991	899000000
1992	855000000
1993	955000000
1994	1019000000
1995	704000000
1996	759000000
1997	739000000
1998	790000000
1999	1139000000
2000	1158000000
2001	1063000000
2002	1543000000
2003	1753000000
2004	2035000000
2005	2408000000
2006	2869000000
2007	3050000000
2008	4008000000
2009	3764000000
2010	4600000000
2011	6312000000
2012	8688000000
2013	10099000000
2014	8747000000
2015	8334000000
2016	5206000000
2017	5741000000
2018	7730000000
2019	7699000000
2020	6514000000
2021	8758000000
2022	14671000000
2023	10098000000