Year Number of Firms 1992-01-01 36 1997-01-01 91 2002-01-01 42 2003-01-01 45 2004-01-01 81 2005-01-01 71 2006-01-01 76 2007-01-01 82 2008-01-01 81 2009-01-01 86 2010-01-01 92 2011-01-01 95 2012-01-01 94 2013-01-01 93 2014-01-01 96 2015-01-01 101 2016-01-01 98