Year Number of Firms 1992-01-01 27 1997-01-01 19 2002-01-01 43 2003-01-01 41 2004-01-01 44 2005-01-01 46 2006-01-01 51 2007-01-01 60 2008-01-01 52 2009-01-01 58 2010-01-01 67 2011-01-01 77 2012-01-01 61 2013-01-01 54 2014-01-01 53 2015-01-01 57 2016-01-01 46