Year	constant 2011 international $
1990	10297.8423493529
1991	9927.00326553771
1992	9870.94224102592
1993	9451.32909051646
1994	9174.29992681542
1995	9342.77772080384
1996	9556.80652267157
1997	9507.11753175466
1998	9843.13246677998
1999	10015.2609620308
2000	10257.5220553035
2001	10428.611958237
2002	10874.0475576786
2003	11509.3917196513
2004	11847.3197473935
2005	12374.0469451862
2006	12398.7373729015
2007	12619.6261018495
2008	12707.8313536631
2009	12694.7455624297
2010	12920.751516087
2011	13046.3699622677
2012	13226.025384786
2013	13322.569482877
2014	13549.0251499
2015	13774.299411888
2016	13939.9405225922
2017	13876.2946416222
2018	13886.1336580492