Year Number of Firms 1992-01-01 229 1997-01-01 394 2002-01-01 538 2003-01-01 614 2004-01-01 685 2005-01-01 816 2006-01-01 856 2007-01-01 977 2008-01-01 1087 2009-01-01 1082 2010-01-01 1209 2011-01-01 1275 2012-01-01 1210 2013-01-01 1162 2014-01-01 1187 2015-01-01 1189 2016-01-01 1178