Year Number of Firms 1992-01-01 24 1997-01-01 22 2002-01-01 21 2003-01-01 23 2004-01-01 28 2005-01-01 34 2006-01-01 28 2007-01-01 48 2008-01-01 73 2009-01-01 86 2010-01-01 75 2011-01-01 86 2012-01-01 78 2013-01-01 69 2014-01-01 68 2015-01-01 59 2016-01-01 64