Year	constant 2011 international $
1995	11361.8462429184
1996	12144.5950918986
1997	13733.2848117095
1998	14436.7289529188
1999	14270.9983363474
2000	15703.0274678557
2001	16803.5186789525
2002	17937.8319791363
2003	19389.4423083658
2004	20733.538079237
2005	22807.1827469547
2006	25298.646049925
2007	27383.4695578858
2008	25968.9728072711
2009	22187.9264018728
2010	22740.9720038708
2011	24543.0674715452
2012	25691.9996357991
2013	26282.9088374806
2014	27113.1201129961
2015	27610.2419529994
2016	28565.2729101724
2017	29916.356908192
2018	30990.514554788