Year	current US$
1976	1315000000
1977	2527000000
1978	3749000000
1979	3960000000
1980	4858400000
1981	5959500000
1982	6958000000
1983	6623100000
1984	6687400000
1985	5675400000
1986	6029300000
1987	8095900000
1988	8866500000
1989	9329900000
1990	10310600000
1991	10873500000
1992	11529400000
1993	13608000000
1994	17465600000
1995	23730500000
1996	24206000000
1997	27391300000
1998	26694000000
1999	27463800000
2000	31769000000
2001	29824200000
2002	29980500000
2003	34557300000
2004	43907600000
2005	49119500000
2006	55502700000
2007	69792900000
2008	89839000000
2009	71426700000
2010	81931900000
2011	89365200000
2012	101899300000
2013	102115800000
2014	110757200000
2015	96443100000
2016	93893400000
2017	88720200000
2018	102945100000
2019	102970900000
2020	88844100000
2021	119177500000
2022	130989400000
2023	123510200000