Year Number of Firms 1992-01-01 18 1997-01-01 37 2002-01-01 33 2003-01-01 41 2004-01-01 52 2005-01-01 64 2006-01-01 66 2007-01-01 85 2008-01-01 92 2009-01-01 74 2010-01-01 91 2011-01-01 116 2012-01-01 133 2013-01-01 133 2014-01-01 126 2015-01-01 97 2016-01-01 100