Year	%
2005	12.5479136771439
2006	12.4295682378559
2007	10.88457575668
2008	11.7252569858373
2009	10.5023085112705
2010	16.0410427539124
2011	14.2964012107471
2012	14.6543723207076
2013	13.5201362308913
2014	15.0487608372304
2015	14.828307139203
2016	14.4270314129251
2017	14.411835767419
2018	14.8611059021713
2019	12.9577237938577