Year Number of Firms 1992-01-01 13 1997-01-01 23 2002-01-01 16 2003-01-01 20 2004-01-01 28 2005-01-01 26 2006-01-01 30 2007-01-01 27 2008-01-01 39 2009-01-01 27 2010-01-01 34 2011-01-01 54 2012-01-01 52 2013-01-01 44 2014-01-01 51 2015-01-01 59 2016-01-01 55