Year	constant 2011 international $
1995	4225.85964243091
1996	4348.84569570391
1997	4477.65309254349
1998	4522.58767211908
1999	4624.06815207136
2000	4830.54857592199
2001	4951.54817421483
2002	5120.57105860226
2003	5366.67583931753
2004	5694.1081916062
2005	6004.77112543438
2006	6434.22999957732
2007	6920.91452122819
2008	7206.54187699981
2009	7294.43428659425
2010	7718.01514204503
2011	8082.14409011762
2012	8392.57616483528
2013	8699.56074755582
2014	9052.13314625869
2015	9330.73495482263
2016	9659.95207554476
2017	10029.3839844504