Year	current US$
1976	52400000
1977	51800000
1978	67000000
1979	95600000
1980	79500000
1981	85000000
1982	74300000
1983	95000000
1984	85500000
1985	87500000
1986	109200000
1987	120200000
1988	116800000
1989	130300000
1990	132600000
1991	143200000
1992	150100000
1993	165400000
1994	176900000
1995	174400000
1996	166540000
1997	308640000
1998	307300000
1999	289000000
2000	314132000
2001	317520844.082
2002	355970703.156368
2003	453140313.986
2004	502018635.338
2005	640925440.36676
2006	672500685.94
2007	676263732.930005
2008	734106542.9
2009	702270000
2010	687803436.83
2011	926988603.118849
2012	1104605377.56617
2013	1196530037.7225802
2014	1173949172.10773
2015	1221028379.49966
2016	1220086085.5058968
2017	1433475259.3543558
2018	1435299112.1690881
2019	1418149030.9169202
2020	417922542.351746
2021	447482764.363568
2022	921229458.0656
2023	1195775133.6556