Year Number of Firms 1992-01-01 7 1997-01-01 10 2002-01-01 29 2003-01-01 45 2004-01-01 45 2005-01-01 58 2006-01-01 62 2007-01-01 81 2008-01-01 94 2009-01-01 57 2010-01-01 67 2011-01-01 85 2012-01-01 60 2013-01-01 75 2014-01-01 67 2015-01-01 69 2016-01-01 80