Year Number of Firms 1992-01-01 291 1997-01-01 412 2002-01-01 431 2003-01-01 460 2004-01-01 680 2005-01-01 834 2006-01-01 843 2007-01-01 992 2008-01-01 1296 2009-01-01 834 2010-01-01 1025 2011-01-01 1147 2012-01-01 1136 2013-01-01 1082 2014-01-01 812 2015-01-01 553 2016-01-01 481