Year Number of Firms 1992-01-01 20 1997-01-01 31 2002-01-01 36 2003-01-01 66 2004-01-01 82 2005-01-01 98 2006-01-01 95 2007-01-01 93 2008-01-01 101 2009-01-01 96 2010-01-01 124 2011-01-01 132 2012-01-01 130 2013-01-01 138 2014-01-01 124 2015-01-01 115 2016-01-01 120