Year Number of Firms 1992-01-01 41 1997-01-01 39 2002-01-01 27 2003-01-01 31 2004-01-01 51 2005-01-01 48 2006-01-01 56 2007-01-01 61 2008-01-01 82 2009-01-01 57 2010-01-01 86 2011-01-01 96 2012-01-01 83 2013-01-01 90 2014-01-01 83 2015-01-01 79 2016-01-01 87