Year Number of Firms 1992-01-01 18 1997-01-01 20 2002-01-01 25 2003-01-01 27 2004-01-01 42 2005-01-01 39 2006-01-01 44 2007-01-01 46 2008-01-01 59 2009-01-01 43 2010-01-01 48 2011-01-01 56 2012-01-01 54 2013-01-01 63 2014-01-01 67 2015-01-01 72 2016-01-01 61