Year Number of Firms 1992-01-01 20 1997-01-01 30 2002-01-01 32 2003-01-01 27 2004-01-01 31 2005-01-01 46 2006-01-01 59 2007-01-01 74 2008-01-01 84 2009-01-01 86 2010-01-01 98 2011-01-01 89 2012-01-01 80 2013-01-01 86 2014-01-01 108 2015-01-01 116 2016-01-01 103