Year Number of Firms 1992-01-01 21 1997-01-01 22 2002-01-01 30 2003-01-01 34 2004-01-01 45 2005-01-01 32 2006-01-01 47 2007-01-01 59 2008-01-01 49 2009-01-01 47 2010-01-01 61 2011-01-01 57 2012-01-01 52 2013-01-01 75 2014-01-01 67 2015-01-01 69 2016-01-01 55