Year Number of Firms 1992-01-01 604 1997-01-01 832 2002-01-01 925 2003-01-01 926 2004-01-01 1018 2005-01-01 1049 2006-01-01 1075 2007-01-01 1136 2008-01-01 1161 2009-01-01 1138 2010-01-01 1187 2011-01-01 1278 2012-01-01 1245 2013-01-01 1298 2014-01-01 1308 2015-01-01 1335 2016-01-01 1280