Year	Percent
1991	-0.39153
1995	0.04267
1996	0.02767
1997	0.02995
1998	0
1999	-0.02407
2000	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0