Year	constant 2011 international $
1995	4339.53819780707
1996	4470.09215425875
1997	4606.66712131505
1998	4656.5682245511
1999	4758.91047675445
2000	4969.72065727306
2001	5090.92231178043
2002	5260.36777634048
2003	5506.07493891848
2004	5834.76818520412
2005	6149.81658750985
2006	6582.23654248639
2007	7074.09711206568
2008	7368.35217533436
2009	7453.29025221726
2010	7877.79572646598
2011	8248.12432489972
2012	8559.7201623651
2013	8868.08172092529
2014	9221.36802992646
2015	9503.75564505652
2016	9833.38486114595
2017	10205.2047281309