Year	Percent
1996	0.0833
1997	0.03379
1998	0.31989
1999	0.00563
2000	-0.03441
2001	0.27381
2002	0.00995
2003	0.04085
2004	0.05269
2005	0.08259
2006	0.14784
2007	0.30784
2008	0.34863
2009	-0.02148
2010	0.60779
2011	0.01181
2012	-0.07535
2013	-0.0761
2014	-0.07822
2015	-0.08011
2016	-0.07759
2017	-0.07984