Year	constant 2011 international $
1995	11918.7584306635
1996	12477.0839488612
1997	12842.1530554526
1998	13258.9507657163
1999	13514.2405431231
2000	14151.8654521422
2001	14710.4350800073
2002	15373.8091111506
2003	15873.6528497244
2004	16682.3034740404
2005	17694.4830221555
2006	18795.9284165359
2007	19882.0352286415
2008	20997.7171365347
2009	20406.4076542806
2010	20633.1776457266
2011	21298.4955685583
2012	21623.6087714558
2013	22062.5825848153
2014	22752.178961125
2015	23565.2518785774
2016	24409.6933231963
2017	25643.8535146266