Year Number of Firms 1992-01-01 223 1997-01-01 291 2002-01-01 322 2003-01-01 329 2004-01-01 520 2005-01-01 709 2006-01-01 777 2007-01-01 811 2008-01-01 979 2009-01-01 694 2010-01-01 869 2011-01-01 982 2012-01-01 1070 2013-01-01 1120 2014-01-01 1061 2015-01-01 752 2016-01-01 775