Year Number of Firms 1992-01-01 228 1997-01-01 445 2002-01-01 756 2003-01-01 812 2004-01-01 867 2005-01-01 844 2006-01-01 875 2007-01-01 923 2008-01-01 1057 2009-01-01 1082 2010-01-01 1211 2011-01-01 1326 2012-01-01 1390 2013-01-01 1439 2014-01-01 1577 2015-01-01 1544 2016-01-01 1534