Year Number of Firms 1992-01-01 20 1997-01-01 39 2002-01-01 56 2003-01-01 48 2004-01-01 62 2005-01-01 76 2006-01-01 72 2007-01-01 82 2008-01-01 87 2009-01-01 88 2010-01-01 74 2011-01-01 78 2012-01-01 94 2013-01-01 81 2014-01-01 96 2015-01-01 91 2016-01-01 100