Year Number of Firms 1992-01-01 20 1997-01-01 49 2002-01-01 31 2003-01-01 33 2004-01-01 31 2005-01-01 30 2006-01-01 57 2007-01-01 53 2008-01-01 54 2009-01-01 55 2010-01-01 58 2011-01-01 90 2012-01-01 89 2013-01-01 91 2014-01-01 91 2015-01-01 107 2016-01-01 80