Year Number of Firms 1992-01-01 14 1997-01-01 18 2002-01-01 29 2003-01-01 30 2004-01-01 39 2005-01-01 35 2006-01-01 38 2007-01-01 41 2008-01-01 37 2009-01-01 52 2010-01-01 52 2011-01-01 56 2012-01-01 52 2013-01-01 46 2014-01-01 49 2015-01-01 69 2016-01-01 65