Year Number of Firms 1992-01-01 95 1997-01-01 252 2002-01-01 531 2003-01-01 630 2004-01-01 676 2005-01-01 751 2006-01-01 770 2007-01-01 898 2008-01-01 948 2009-01-01 949 2010-01-01 1055 2011-01-01 1060 2012-01-01 1088 2013-01-01 1091 2014-01-01 1121 2015-01-01 1068 2016-01-01 1088