Year Number of Firms 1992-01-01 729 1997-01-01 946 2002-01-01 1033 2003-01-01 1069 2004-01-01 1114 2005-01-01 1131 2006-01-01 1149 2007-01-01 1264 2008-01-01 1276 2009-01-01 1176 2010-01-01 1202 2011-01-01 1250 2012-01-01 1220 2013-01-01 1226 2014-01-01 1252 2015-01-01 1223 2016-01-01 1166