Year Number of Firms 1992-01-01 932 1997-01-01 1586 2002-01-01 2301 2003-01-01 2375 2004-01-01 2595 2005-01-01 2914 2006-01-01 3087 2007-01-01 3485 2008-01-01 3591 2009-01-01 3431 2010-01-01 3715 2011-01-01 3849 2012-01-01 3847 2013-01-01 3830 2014-01-01 3834 2015-01-01 3974 2016-01-01 4098