Year Number of Firms 1992-01-01 8 1997-01-01 10 2002-01-01 15 2003-01-01 14 2004-01-01 15 2005-01-01 16 2006-01-01 15 2007-01-01 26 2008-01-01 28 2009-01-01 32 2010-01-01 39 2011-01-01 45 2012-01-01 41 2013-01-01 48 2014-01-01 41 2015-01-01 43 2016-01-01 44