Year Number of Firms 1992-01-01 24 1997-01-01 26 2002-01-01 23 2003-01-01 33 2004-01-01 37 2005-01-01 35 2006-01-01 43 2007-01-01 44 2008-01-01 54 2009-01-01 53 2010-01-01 42 2011-01-01 39 2012-01-01 41 2013-01-01 32 2014-01-01 32 2015-01-01 35 2016-01-01 35