Year	constant 2015 US$
1977	387095908.9935573
1978	404064146.1943989
1979	436713652.3791684
1980	472353897.2043792
1981	490375108.40087736
1982	489961962.3539704
1983	516242438.3289002
1984	568719298.6054956
1985	612191037.5234025
1986	682557487.2470388
1987	727784182.8243734
1988	765727808.2650831
1989	805945565.0436345
1990	830215153.1796368
1991	848287550.612035
1992	858115307.9048301
1993	903426095.155429
1994	963738105.6844276
1995	921725174.4896699
1996	982603889.7732754
1997	1036364062.1070772
1998	1085396819.9395456
1999	1125640169.836047
2000	1195469164.0827336
2001	1141098413.0778394
2002	1152820061.0989335
2003	1222875737.2474627
2004	1293395745.678799
2005	1377129115.291743
2006	1552134855.833756
2007	1696721347.6123555
2008	1696483697.2313912
2009	1493533928.0476995
2010	1376434444.9473863
2011	1349473923.2669282
2012	1394989455.4611268
2013	1386609537.4123595
2014	1417273748.8761513
2015	1437755555.5555553
2016	1496700162.354083
2017	1533568876.840893
2018	1640200774.6996615
2019	1691054300.0662863
2020	1371776497.480488
2021	1484148566.079468
2022	1625386015.5663264
2023	1688158621.5782309