Year	Percent
2001	6.64377
2002	-10.02153
2003	-4.99054
2004	58.16923
2005	31.93678
2006	38.68357
2007	3.56404
2008	8.66428
2009	-7.25503
2010	-2.73234
2011	9.66387
2012	2.67494
2013	-13.07577
2014	-27.78431
2015	18.13747
2016	-1.37638
2017	-9.96163