Year	current US$
1977	405654205.3
1978	536905273.4
1979	592401001
1980	608697814.9
1981	442919036.9
1982	527022216.8
1983	551177673.3
1984	495811492.9
1985	498550140.4
1986	651503234.9
1987	779242553.7
1988	826214721.7
1989	755107971.2
1990	923652832
1991	987244201.7
1992	1044645751.9999999
1993	1052437987.9999999
1994	1212114624
1995	1473188518.65763
1996	1390360919.41004
1997	1208285603.54852
1998	1226985564.1241
1999	1221534901.44819
2000	994933149.51959
2001	1176038086.22683
2002	1225420692.98309
2003	1533293465.90357
2004	1695345813.35115
2005	1721477365.19693
2006	1795179912.44818
2007	1795617229.75524
2008	2214728945.76683
2009	2341619108.8295
2010	2494622576.5954
2011	2615246749.25133
2012	2420420106.33255
2013	2437063151.98786
2014	2406168040.98435
2015	2516975788.92797
2016	2524093962.73986
2017	2591809297.96896
2018	2550734394.8547
2019	2549309963.18163
2020	2824692041.18766
2021	3142088776.69368
2022	3073729584.88224
2023	2521433105.46875