Year Number of Firms 1992-01-01 546 1997-01-01 846 2002-01-01 979 2003-01-01 1005 2004-01-01 1091 2005-01-01 1077 2006-01-01 1080 2007-01-01 1082 2008-01-01 1153 2009-01-01 1157 2010-01-01 1218 2011-01-01 1326 2012-01-01 1195 2013-01-01 1213 2014-01-01 1243 2015-01-01 1201 2016-01-01 1183