Year Number of Firms 1992-01-01 16 1997-01-01 35 2002-01-01 33 2003-01-01 40 2004-01-01 45 2005-01-01 43 2006-01-01 48 2007-01-01 66 2008-01-01 68 2009-01-01 54 2010-01-01 79 2011-01-01 91 2012-01-01 84 2013-01-01 91 2014-01-01 91 2015-01-01 83 2016-01-01 87