Year	constant 2010 US$
2008	1162.50044353506
2009	1170.93927560002
2010	1167.49917675281
2011	1088.28548741189
2012	1183.93714902513
2013	1243.99018276505
2014	1343.89320160992
2015	1418.68829367243
2016	1536.79347395518
2017	1554.39474379501
2018	1628.75993650288