Year Number of Firms 1992-01-01 20 1997-01-01 17 2002-01-01 30 2003-01-01 34 2004-01-01 43 2005-01-01 40 2006-01-01 53 2007-01-01 52 2008-01-01 63 2009-01-01 63 2010-01-01 100 2011-01-01 93 2012-01-01 123 2013-01-01 173 2014-01-01 188 2015-01-01 152 2016-01-01 102