Year Number of Firms 1992-01-01 29 1997-01-01 38 2002-01-01 56 2003-01-01 46 2004-01-01 42 2005-01-01 49 2006-01-01 60 2007-01-01 57 2008-01-01 62 2009-01-01 57 2010-01-01 56 2011-01-01 86 2012-01-01 85 2013-01-01 69 2014-01-01 60 2015-01-01 61 2016-01-01 57