Year Number of Firms 1992-01-01 6 1997-01-01 10 2002-01-01 10 2003-01-01 13 2004-01-01 26 2005-01-01 27 2006-01-01 32 2007-01-01 43 2008-01-01 36 2009-01-01 37 2010-01-01 37 2011-01-01 49 2012-01-01 48 2013-01-01 59 2014-01-01 49 2015-01-01 44 2016-01-01 48