Year Number of Firms 1992-01-01 14 1997-01-01 17 2002-01-01 26 2003-01-01 42 2004-01-01 33 2005-01-01 34 2006-01-01 35 2007-01-01 43 2008-01-01 40 2009-01-01 33 2010-01-01 42 2011-01-01 47 2012-01-01 47 2013-01-01 48 2014-01-01 44 2015-01-01 38 2016-01-01 41