Year	constant 2011 international $
1994	8316.15579178873
1995	8283.83958540627
1996	8575.30510793987
1997	9438.47596741853
1998	10149.2812961942
1999	10500.2070602454
2000	11175.1420304145
2001	12051.8499143707
2002	13058.7398741848
2003	14297.1845324434
2004	15658.8914756038
2005	17522.2500280981
2006	19786.2014783993
2007	21939.0522420665
2008	21384.2919086477
2009	18609.3140797706
2010	18251.9348848025
2011	19773.3637901242
2012	20827.8906117474
2013	21563.6996930387
2014	22172.2311602337
2015	23018.7929045001
2016	23709.680763721
2017	25029.8133886569
2018	26437.4511793886