Year	current US$
1976	325100000
1977	247900000
1978	289100000
1979	326400000
1980	356400000
1981	392900000
1982	414200000
1983	384000000
1984	394200000
1985	389700000
1986	383100000
1987	431200000
1988	543200000
1989	689800000
1990	666800000
1991	638800000
1992	674300000
1993	785400000
1994	922700000
1995	1073300000
1996	1118100000
1997	1196100000
1998	1258200000
1999	1286400000
2000	1390500000
2001	1479900000
2002	1551635000
2003	1537698999.999996
2004	1670479755.635802
2005	1675673166.35732
2006	1969483919.1981475
2007	2225606495.327208
2008	2304303503.9608297
2009	1824011720.0658436
2010	1766530434.0362103
2011	1883628908.9124177
2012	2103079551.3100994
2013	1994844819.385667
2014	2181901958.849926
2015	2099173533.0921881
2016	2109059573.8208282
2017	2258856456.646788
2018	2344221308.9950085
2019	2562433743.0747585
2020	1652579744.2545881
2021	3081138302.301268
2022	3155373685.2270885