Year	constant 2011 international $
1995	7349.09256522204
1996	7534.86658627737
1997	8098.87142527357
1998	8327.23351216887
1999	7342.28744119611
2000	7937.31253418165
2001	8347.94152278432
2002	8950.20689514585
2003	9365.29795969861
2004	10236.3878260558
2005	10836.032957388
2006	11934.2604080457
2007	12754.3798233513
2008	13533.2024162868
2009	13216.3996385098
2010	13366.6444938416
2011	13746.9266841334
2012	13719.6557149076
2013	14185.3723005704
2014	14025.5892356238
2015	14345.5311726837
2016	14902.5589973499
2017	15289.1098950677
2018	16035.3732911307