Year Number of Firms 1992-01-01 327 1997-01-01 574 2002-01-01 838 2003-01-01 934 2004-01-01 1106 2005-01-01 1294 2006-01-01 1433 2007-01-01 1685 2008-01-01 1768 2009-01-01 1863 2010-01-01 1901 2011-01-01 1981 2012-01-01 1929 2013-01-01 1837 2014-01-01 1895 2015-01-01 1909 2016-01-01 1952