Year	current US$
1977	196800000
1978	225900000
1979	260400000
1980	280400000
1981	212700000
1982	235700000
1983	248900000
1984	255300000
1985	275300000
1986	297600000
1987	381700000
1988	415800000
1989	478000000
1990	540000000
1991	523200000
1992	699600000
1993	800700000
1994	845700000
1995	896442000
1996	1021030000
1997	982390000
1998	1106880000
1999	1136129116
2000	1329610240.8056784
2001	1168485602.8991232
2002	1164195609.0648491
2003	1269731090.3497112
2004	1413188158.2566876
2005	1498596194.9923723
2006	1652359739.899847
2007	1919850593.0469046
2008	1848674522.5654545
2009	1456366628.875237
2010	1868796249.8980517
2011	1919768683.9963484
2012	2200115501.553982
2013	2371193933.792558
2014	2549027013.4026823
2015	3067472811.352018
2016	3412341776.51657
2017	3824345373.51519
2018	4190457982.7047577
2019	4614023131.03896
2020	3411532936.7272
2021	4259463491.3771133
2022	5748551922.02431
2023	6318477582.182181