Year Number of Firms 1992-01-01 9 1997-01-01 20 2002-01-01 15 2003-01-01 13 2004-01-01 17 2005-01-01 18 2006-01-01 26 2007-01-01 32 2008-01-01 25 2009-01-01 25 2010-01-01 27 2011-01-01 31 2012-01-01 35 2013-01-01 30 2014-01-01 34 2015-01-01 49 2016-01-01 44