Year Number of Firms 1992-01-01 809 1997-01-01 977 2002-01-01 1141 2003-01-01 1152 2004-01-01 1173 2005-01-01 1149 2006-01-01 1117 2007-01-01 1209 2008-01-01 1273 2009-01-01 1211 2010-01-01 1233 2011-01-01 1288 2012-01-01 1211 2013-01-01 1206 2014-01-01 1230 2015-01-01 1161 2016-01-01 1215