Year Number of Firms 1992-01-01 39 1997-01-01 45 2002-01-01 70 2003-01-01 74 2004-01-01 79 2005-01-01 71 2006-01-01 76 2007-01-01 85 2008-01-01 75 2009-01-01 95 2010-01-01 98 2011-01-01 95 2012-01-01 82 2013-01-01 73 2014-01-01 80 2015-01-01 87 2016-01-01 90