Year Number of Firms 1992-01-01 14 1997-01-01 42 2002-01-01 59 2003-01-01 51 2004-01-01 43 2005-01-01 45 2006-01-01 39 2007-01-01 35 2008-01-01 50 2009-01-01 57 2010-01-01 54 2011-01-01 59 2012-01-01 63 2013-01-01 59 2014-01-01 65 2015-01-01 54 2016-01-01 62