Year	current US$
1960	1462000000
1961	1616000000
1962	1664000000
1963	1822000000
1964	1984000000
1965	2210000000
1966	2404000000
1967	2748000000
1968	2706000000
1969	2942000000
1970	3702000000
1971	4075000000
1972	4373000000
1973	6289000000
1974	8420000000
1975	9705000000
1976	11121000000
1977	12883000000
1978	11497000000
1979	13706000000
1980	16926000000
1981	15650000000
1982	15477000000
1983	13497000000
1984	13885000000
1985	15556000000
1986	20301000000
1987	22639000000
1988	23220000000
1989	23676000000
1990	27231000000
1991	25572000000
1992	26072000000
1993	24081000000
1994	27432000000
1995	32968000000
1996	35615000000
1997	35709000000
1998	37473000000
1999	34166000000
2000	34391000000
2001	32955000000
2002	34873000000
2003	40055000000
2004	48534000000
2005	55488000000
2006	64261000000
2007	80297000000
2008	90293000000
2009	68970000000
2010	77330000000
2011	90784000000
2012	87308000000
2013	89808000000
2014	89460000000
2015	76424000000
2016	72110000000
2017	81249000000
2018	86600000000
2019	85319000000
2020	80447000000
2021	97764000000
2022	105545000000
2023	95292000000