Year Percent 2000 169.91013 2001 28.29412 2002 38.79562 2003 107.85859 2004 211.27723 2005 207.56075 2006 222.02158 2007 781.09872 2008 754.29733 2009 227.27404 2010 563.0918 2011 253.53359 2012 167.84763 2013 141.52482 2014 191.02789 2015 266.93415 2016 193.12559