Year Number of Firms 1992-01-01 5 1997-01-01 15 2002-01-01 26 2003-01-01 24 2004-01-01 27 2005-01-01 20 2006-01-01 26 2007-01-01 39 2008-01-01 46 2009-01-01 49 2010-01-01 75 2011-01-01 59 2012-01-01 49 2013-01-01 46 2014-01-01 48 2015-01-01 44 2016-01-01 58