Year	current US$
1960	19626000000
1961	20190000000
1962	20973000000
1963	22427000000
1964	25690000000
1965	26699000000
1966	29379000000
1967	30934000000
1968	34063000000
1969	37332000000
1970	43225000000
1971	43549000000
1972	49199000000
1973	70823000000
1974	99437000000
1975	108856000000
1976	116794000000
1977	123182000000
1978	145847000000
1979	186363000000
1980	225566000000
1981	238715000000
1982	216442000000
1983	205639000000
1984	223976000000
1985	218815000000
1986	227158000000
1987	254122000000
1988	322427000000
1989	363812000000
1990	393592000000
1991	421730000000
1992	448163000000
1993	464773000000
1994	512627000000
1995	584743000000
1996	625073000000
1997	689182000000
1998	682138000000
1999	695797000000
2000	781918000000
2001	729100000000
2002	693103000000
2003	724771000000
2004	814875000000
2005	901082000000
2006	1025967000000
2007	1148199000000
2008	1287442000000
2009	1056043000000
2010	1278495000000
2011	1482508000000
2012	1545703000000
2013	1579593000000
2014	1620532000000
2015	1502572000000
2016	1451011000000
2017	1546273000000
2018	1663982000000
2019	1643161000000
2020	1424935000000
2021	1754300000000
2022	2065157000000
2023	2019542000000