Year	constant 2010 US$
1986	931.457997187948
1987	944.064394122256
1988	1049.98483072137
1989	1056.95211164466
1990	1095.93262805238
1991	993.509724982556
1992	845.709606636806
1993	714.762829974722
1994	571.403996831761
1995	535.043964563196
1996	564.531454061683
1997	611.521285879766
1998	614.989848634769
1999	628.069322847163
2000	654.312311839923
2001	682.624141983275
2002	676.269634182213
2003	716.26425084356
2004	757.374428304605
2005	747.565616648644
2006	762.520116111145
2007	819.806297297808
2008	880.278820143015
2009	894.81795864929
2010	880.037775119109
2011	921.177039121392
2012	904.152349504022
2013	983.00007466258
2014	1002.01557983407
2015	1019.8769713862
2016	1042.2803275725
2017	1070.36894328941
2018	1087.20406151981