Year	constant 2011 international $
1990	2377.47942889465
1991	2432.44774239944
1992	2476.68751140844
1993	2555.49923293236
1994	2800.62602165527
1995	2647.30830115312
1996	2482.81701715291
1997	2731.17877274883
1998	3151.50248514357
1999	3097.57253855499
2000	3051.83363254686
2001	3072.2697428561
2002	3275.86837235891
2003	3124.33970062776
2004	3037.43400739975
2005	2884.34078778345
2006	2911.10183638139
2007	3065.38002743792
2008	3280.25059468302
2009	3101.76131815091
2010	2986.72940216611
2011	3180.10418409449
2012	3027.93796908739
2013	3132.10581164543
2014	3141.05615995141
2015	3389.01205646329
2016	3452.6632650232
2017	3548.18193479958
2018	3593.27418436201