Year Number of Firms 1992-01-01 8 1997-01-01 26 2002-01-01 25 2003-01-01 37 2004-01-01 41 2005-01-01 44 2006-01-01 47 2007-01-01 61 2008-01-01 71 2009-01-01 78 2010-01-01 82 2011-01-01 80 2012-01-01 79 2013-01-01 76 2014-01-01 78 2015-01-01 84 2016-01-01 70