Year	constant 2010 US$
1991	1536.33296951137
1992	1554.22328456034
1993	1673.01775777609
1994	1801.39467557305
1995	1929.38218134587
1996	1944.45839151755
1997	2050.60918077766
1998	1801.10907101596
1999	1865.75110448085
2000	1785.03956580311
2001	1899.07130655653
2002	1953.82587019298
2003	1922.17959805536
2004	2089.05052834881
2005	2133.56412247713
2006	2252.13807764017
2007	2270.64039734805
2008	2319.08376341497
2009	2384.3653789499
2010	2470.19814825913
2011	2634.90251918098
2012	2761.77406695852
2013	2929.63210140033
2014	3062.3749433387
2015	3270.00621687121
2016	3464.76831235901
2017	3610.49768319791
2018	3729.6139792578
