Year	constant 2010 US$
1990	397.920271326454
1991	407.856715451657
1992	378.69571212677
1993	362.774882940613
1994	328.327498076433
1995	349.957637569476
1996	362.425584627792
1997	387.575166755918
1998	434.095804553375
1999	452.526477101092
2000	457.724082193812
2001	467.222111612341
2002	505.192992441363
2003	515.463843696468
2004	533.49567523324
2005	562.537951858013
2006	602.544701918028
2007	609.923382449297
2008	608.332566554277
2009	629.506617139794
2010	646.999413145045
2011	669.456930547253
2012	688.880432911672
2013	737.040257391384
2014	770.55342483799
2015	789.539556426026
2016	825.813336357058
2017	846.976179213249