Year Number of Firms 1992-01-01 7 1997-01-01 8 2002-01-01 12 2003-01-01 10 2004-01-01 14 2005-01-01 26 2006-01-01 20 2007-01-01 31 2008-01-01 39 2009-01-01 30 2010-01-01 40 2011-01-01 39 2012-01-01 38 2013-01-01 47 2014-01-01 34 2015-01-01 43 2016-01-01 45