Year Number of Firms 1992-01-01 11 1997-01-01 29 2002-01-01 44 2003-01-01 57 2004-01-01 60 2005-01-01 57 2006-01-01 45 2007-01-01 60 2008-01-01 62 2009-01-01 82 2010-01-01 81 2011-01-01 91 2012-01-01 73 2013-01-01 93 2014-01-01 98 2015-01-01 98 2016-01-01 93