Year Number of Firms 1992-01-01 7 1997-01-01 22 2002-01-01 40 2003-01-01 31 2004-01-01 26 2005-01-01 34 2006-01-01 30 2007-01-01 34 2008-01-01 49 2009-01-01 45 2010-01-01 60 2011-01-01 54 2012-01-01 66 2013-01-01 63 2014-01-01 89 2015-01-01 67 2016-01-01 78