Year	constant 2010 US$
1984	422.959241865704
1985	432.162177549622
1986	440.574745996754
1987	421.912999772349
1988	401.578166236509
1989	445.487049550732
1990	462.001627182118
1991	468.564034543179
1992	481.304264532372
1993	496.565836632057
1994	523.936682973222
1995	547.974321398575
1996	573.547813812489
1997	600.932234612855
1998	613.324393314807
1999	646.728737335868
2000	672.875388277317
2001	700.278330592421
2002	730.429271297853
2003	763.158775210105
2004	799.41190476348
2005	842.9118834439
2006	900.780853320282
2007	953.092091962223
2008	1010.39066541789
2009	1068.16851075414
2010	1140.59920478703
2011	1213.18469310894
2012	1290.83774819673
2013	1373.81443750225
2014	1456.46765527935
2015	1538.84436834536
2016	1621.73526466858
2017	1706.13351459672
2018	1789.13530098522