Year Number of Firms 1992-01-01 335 1997-01-01 734 2002-01-01 881 2003-01-01 976 2004-01-01 1200 2005-01-01 1127 2006-01-01 1093 2007-01-01 1140 2008-01-01 1284 2009-01-01 1320 2010-01-01 1319 2011-01-01 1439 2012-01-01 1498 2013-01-01 1595 2014-01-01 1685 2015-01-01 1668 2016-01-01 1586