Year Number of Firms 1992-01-01 8 1997-01-01 23 2002-01-01 26 2003-01-01 22 2004-01-01 31 2005-01-01 40 2006-01-01 39 2007-01-01 38 2008-01-01 45 2009-01-01 54 2010-01-01 59 2011-01-01 58 2012-01-01 70 2013-01-01 63 2014-01-01 74 2015-01-01 72 2016-01-01 79