Year Number of Firms 1992-01-01 39 1997-01-01 49 2002-01-01 25 2003-01-01 41 2004-01-01 44 2005-01-01 44 2006-01-01 55 2007-01-01 65 2008-01-01 60 2009-01-01 64 2010-01-01 80 2011-01-01 70 2012-01-01 68 2013-01-01 74 2014-01-01 69 2015-01-01 60 2016-01-01 56