Year	constant 2010 US$
1980	638018025.921707
1981	772447991.052443
1982	723990957.103914
1983	789701578.158313
1984	485616300.996696
1985	427329558.24785
1986	342954660.505341
1987	350877701.877951
1988	380944114.73204
1989	463843776.31903
1990	451341368.282911
1991	406221150.717584
1992	410001104.450754
1993	508616450.472437
1994	741671615.612814
1995	375060538.113339
1996	380889213.94199
1997	460854242.314954
1998	553026323.225634
1999	612966298.527421
2000	681682637.619099
2001	793010526.183267
2002	994170199.932205
2003	1080814892.79362
2004	1179583182.27961
2005	1242497971.20044
2006	1369616212.0084
2007	1468316626.75299
2008	1575300618.87866
2009	1687371984.77454
2010	1888426717.12539
2011	2157618848.90709
2012	2488707095.34774
2013	2848084090.24286
2014	2966518497.17119
2015	3317246353.79549
2016	3477837358.0049
2017	3627610022.78363
2018	4177459061.06087