Year Number of Firms 1992-01-01 13 1997-01-01 18 2002-01-01 30 2003-01-01 34 2004-01-01 23 2005-01-01 33 2006-01-01 32 2007-01-01 41 2008-01-01 71 2009-01-01 57 2010-01-01 68 2011-01-01 61 2012-01-01 66 2013-01-01 67 2014-01-01 76 2015-01-01 86 2016-01-01 87