Year	constant 2010 US$
1980	1406.02479610566
1981	1413.09298433947
1982	1462.89186676132
1983	1483.23662654157
1984	1501.15746941568
1985	1488.91631839289
1986	1474.25991605454
1987	1458.77923101742
1988	1449.40965036318
1989	1375.97273160001
1990	1396.54083836095
1991	1283.47845185642
1992	1365.85380567775
1993	1360.76775519062
1994	1249.46781613938
1995	1260.28183852178
1996	1208.35943077618
1997	1223.33442689439
1998	1204.77115317749
1999	1198.5092891019
2000	1296.00764531902
2001	1295.13169238741
2002	1288.91085312466
2003	1284.14925026614
2004	1276.87994112529
2005	1283.29859692754
2006	1286.78693375818
2007	1271.44076625588
2008	1285.91144071443
2009	1296.17486117394
2010	1313.9815982659
2011	1335.39899260575
2012	1343.99762877205
2013	1373.58004984214
2014	1370.92990702907
2015	1357.65696203448
2016	1357.56668099382
2017	1363.37563534959