Year	Percent
2003	11.71567
2004	11.24273
2005	10.90027
2006	7.17126
2007	22.38202
2008	2.1791
2009	-2.10708
2010	9.43779
2011	10.56114
2012	8.30476
2013	3.87791
2014	0.59576
2015	2.43202
2016	5.12337
2017	4.87344