Year Number of Firms 1992-01-01 34 1997-01-01 49 2002-01-01 43 2003-01-01 53 2004-01-01 50 2005-01-01 48 2006-01-01 45 2007-01-01 71 2008-01-01 72 2009-01-01 67 2010-01-01 76 2011-01-01 82 2012-01-01 99 2013-01-01 86 2014-01-01 79 2015-01-01 84 2016-01-01 85