Year	Percent
1998	5.22075
1999	-9.15167
2000	3.27912
2001	0.69387
2002	1.49636
2003	2.07442
2004	4.24115
2005	4.0266
2006	8.43156
2007	6.66269
2008	7.03267
2009	-5.99698
2010	2.54627
2011	3.12007
2012	-2.80559
2013	3.448
2014	1.68498
2015	3.33242
2016	2.92552
2017	4.27185