Year	constant 2011 international $
1990	31586.7730382146
1991	32192.24294482
1992	32441.758657014
1993	32368.0161619021
1994	32951.3884867325
1995	33659.1929237994
1996	34520.2652135797
1997	35056.5316489672
1998	36218.190332085
1999	37058.9231659165
2000	38501.935976679
2001	38643.5831830258
2002	39405.2488765788
2003	39716.3352409253
2004	40597.2058834326
2005	41195.7181452057
2006	42599.6452041539
2007	43896.1160803783
2008	44814.9800458705
2009	42639.539400533
2010	43700.0727046699
2011	44602.6110429825
2012	44597.38801673
2013	44420.2677750491
2014	44305.9834846581
2015	43821.5985371339
2016	44621.3606111336
2017	45374.707861714