Year	constant 2011 international $
1990	5100.77348830157
1991	5165.01479216188
1992	5289.26970712197
1993	5369.69386486444
1994	5458.0051936291
1995	5598.11377947357
1996	5634.74960314941
1997	5750.50724674375
1998	5904.32757275279
1999	5994.86418608525
2000	6070.71327088601
2001	6069.47085479552
2002	6157.55900234767
2003	6166.1055141922
2004	6213.12290865676
2005	6269.14857387531
2006	6457.98740183311
2007	6713.11884715763
2008	6781.85727530212
2009	6669.98655550288
2010	6714.04888748557
2011	6844.54052794213
2012	6899.21478832323
2013	7005.21118111449
2014	7147.56307701223
2015	7292.71094830382
2016	7368.33908732728
2017	7423.17062215796
2018	7508.86160811347