Year Number of Firms 1992-01-01 55 1997-01-01 67 2002-01-01 75 2003-01-01 79 2004-01-01 77 2005-01-01 77 2006-01-01 64 2007-01-01 74 2008-01-01 84 2009-01-01 85 2010-01-01 93 2011-01-01 83 2012-01-01 71 2013-01-01 76 2014-01-01 61 2015-01-01 61 2016-01-01 62