Year Number 2006-01-01 203.0487805 2007-01-01 240.9448983 2008-01-01 221.4776767 2009-01-01 202.5571159 2010-01-01 202.5752232 2011-01-01 197.0919103 2012-01-01 191.4325023 2013-01-01 183.3315149 2014-01-01 256.2642756