Year	Percent
2002	17.96712
2003	14.51791
2004	14.93326
2005	12.43666
2006	75.96383
2007	-58.32288
2008	12.74334
2009	53.056
2010	73.53262
2011	14.73746
2012	252.30811
2013	31.77235
2014	34.29482
2015	19.59045
2016	76.96099
2017	10.6126