Year Number of Firms 1992-01-01 461 1997-01-01 749 2002-01-01 964 2003-01-01 1003 2004-01-01 1148 2005-01-01 1161 2006-01-01 1243 2007-01-01 1347 2008-01-01 1424 2009-01-01 1433 2010-01-01 1688 2011-01-01 1754 2012-01-01 1706 2013-01-01 1736 2014-01-01 1724 2015-01-01 1699 2016-01-01 1710