Year Number of Firms 1992-01-01 817 1997-01-01 1165 2002-01-01 1196 2003-01-01 1210 2004-01-01 1209 2005-01-01 1126 2006-01-01 1135 2007-01-01 1202 2008-01-01 1246 2009-01-01 1233 2010-01-01 1259 2011-01-01 1319 2012-01-01 1352 2013-01-01 1333 2014-01-01 1330 2015-01-01 1279 2016-01-01 1343