Year	constant 2010 US$
1995	3197.13124910893
1996	3424.67477041059
1997	3643.83094596072
1998	3844.73598778239
1999	4064.5098294537
2000	4381.83244375803
2001	4602.21248605499
2002	4926.53576712243
2003	5528.1784478682
2004	6198.28759144928
2005	7031.1141815524
2006	7794.24826770453
2007	8866.86170750673
2008	9303.7634466891
2009	7775.23242776426
2010	7673.66766061932
2011	8209.89993856181
2012	8578.23939005854
2013	9039.27369889826
2014	9478.97515432578
2015	9947.94590070903
2016	10582.6498302522
2017	11089.4743292456
2018	11680.6230008069