Year	Percent
2001	4.33604
2002	2.06322
2003	-3.11775
2004	5.18315
2005	5.54847
2006	-3.18342
2007	-0.03536
2008	-6.93244
2009	-5.8803
2010	-1.53956
2011	5.6737
2012	3.1683
2013	-2.27887
2014	1.85012
2015	9.1342
2016	-0.94163
2017	-4.72187