Year	Percent
1989	0.04064
1993	0.00241
1994	-0.00121
1995	0.00794
2005	0.18851
2006	1.66187
2007	0.18552
2008	0.43282
2009	0.31628
2010	2.34252
2011	0.63657
2012	0.0609
2013	3.26052
2014	0.57195
2015	0.01028
2016	0.31522
2017	0.21067
