Year	Percent
1990	0.00802
1992	0.00227
1993	0.03467
1994	-0.04506
1995	-0.01805
1996	-0.16503
1997	0.05195
1998	0
1999	-0.00143
2000	0
2002	0.80106
2003	0.67588
2004	3.98779
2005	0.77695
2006	0.45606
2007	1.50835
2008	3.05263
2009	0.00895
2010	1.62425
2011	2.00992
2012	2.40579
2013	4.83872
2014	3.35601
2015	1.01996
2016	0.28636
2017	1.08849